Movie_Recommender_System.ipynb

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    {
      "cell_type": "markdown",
      "source": [
        "## Importing Dependencies"
      ],
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      "source": [
        "import os\n",
        "import numpy as np\n",
        "import pandas as pd\n",
        "import matplotlib.pyplot as plt\n",
        "import seaborn as sns"
      ]
    },
    {
      "cell_type": "markdown",
      "source": [
        "## Loading Data"
      ],
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    {
      "cell_type": "code",
      "source": [
        "movies = pd.read_csv('tmdb_5000_movies.csv')\n",
        "credits = pd.read_csv('tmdb_5000_credits.csv')"
      ],
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        "id": "zMj0obSiuugt"
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      "execution_count": null,
      "outputs": []
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      "source": [
        "movies.head(5)"
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              "      <th>budget</th>\n",
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              "      <th>tagline</th>\n",
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              "      <th>0</th>\n",
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              "      <td>[{\"id\": 28, \"name\": \"Action\"}, {\"id\": 12, \"nam...</td>\n",
              "      <td>http://www.avatarmovie.com/</td>\n",
              "      <td>19995</td>\n",
              "      <td>[{\"id\": 1463, \"name\": \"culture clash\"}, {\"id\":...</td>\n",
              "      <td>en</td>\n",
              "      <td>Avatar</td>\n",
              "      <td>In the 22nd century, a paraplegic Marine is di...</td>\n",
              "      <td>150.437577</td>\n",
              "      <td>[{\"name\": \"Ingenious Film Partners\", \"id\": 289...</td>\n",
              "      <td>[{\"iso_3166_1\": \"US\", \"name\": \"United States o...</td>\n",
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              "      <td>[{\"iso_639_1\": \"en\", \"name\": \"English\"}, {\"iso...</td>\n",
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              "      <td>Enter the World of Pandora.</td>\n",
              "      <td>Avatar</td>\n",
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              "      <td>[{\"id\": 12, \"name\": \"Adventure\"}, {\"id\": 14, \"...</td>\n",
              "      <td>http://disney.go.com/disneypictures/pirates/</td>\n",
              "      <td>285</td>\n",
              "      <td>[{\"id\": 270, \"name\": \"ocean\"}, {\"id\": 726, \"na...</td>\n",
              "      <td>en</td>\n",
              "      <td>Pirates of the Caribbean: At World's End</td>\n",
              "      <td>Captain Barbossa, long believed to be dead, ha...</td>\n",
              "      <td>139.082615</td>\n",
              "      <td>[{\"name\": \"Walt Disney Pictures\", \"id\": 2}, {\"...</td>\n",
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              "      <td>Released</td>\n",
              "      <td>At the end of the world, the adventure begins.</td>\n",
              "      <td>Pirates of the Caribbean: At World's End</td>\n",
              "      <td>6.9</td>\n",
              "      <td>4500</td>\n",
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              "      <td>http://www.sonypictures.com/movies/spectre/</td>\n",
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              "      <td>[{\"id\": 470, \"name\": \"spy\"}, {\"id\": 818, \"name...</td>\n",
              "      <td>en</td>\n",
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              "      <td>107.376788</td>\n",
              "      <td>[{\"name\": \"Columbia Pictures\", \"id\": 5}, {\"nam...</td>\n",
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              "      <td>2015-10-26</td>\n",
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              "      <td>148.0</td>\n",
              "      <td>[{\"iso_639_1\": \"fr\", \"name\": \"Fran\\u00e7ais\"},...</td>\n",
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              "      <td>A Plan No One Escapes</td>\n",
              "      <td>Spectre</td>\n",
              "      <td>6.3</td>\n",
              "      <td>4466</td>\n",
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              "      <td>250000000</td>\n",
              "      <td>[{\"id\": 28, \"name\": \"Action\"}, {\"id\": 80, \"nam...</td>\n",
              "      <td>http://www.thedarkknightrises.com/</td>\n",
              "      <td>49026</td>\n",
              "      <td>[{\"id\": 849, \"name\": \"dc comics\"}, {\"id\": 853,...</td>\n",
              "      <td>en</td>\n",
              "      <td>The Dark Knight Rises</td>\n",
              "      <td>Following the death of District Attorney Harve...</td>\n",
              "      <td>112.312950</td>\n",
              "      <td>[{\"name\": \"Legendary Pictures\", \"id\": 923}, {\"...</td>\n",
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              "      <td>2012-07-16</td>\n",
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              "      <td>165.0</td>\n",
              "      <td>[{\"iso_639_1\": \"en\", \"name\": \"English\"}]</td>\n",
              "      <td>Released</td>\n",
              "      <td>The Legend Ends</td>\n",
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              "      <td>7.6</td>\n",
              "      <td>9106</td>\n",
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              "      <td>http://movies.disney.com/john-carter</td>\n",
              "      <td>49529</td>\n",
              "      <td>[{\"id\": 818, \"name\": \"based on novel\"}, {\"id\":...</td>\n",
              "      <td>en</td>\n",
              "      <td>John Carter</td>\n",
              "      <td>John Carter is a war-weary, former military ca...</td>\n",
              "      <td>43.926995</td>\n",
              "      <td>[{\"name\": \"Walt Disney Pictures\", \"id\": 2}]</td>\n",
              "      <td>[{\"iso_3166_1\": \"US\", \"name\": \"United States o...</td>\n",
              "      <td>2012-03-07</td>\n",
              "      <td>284139100</td>\n",
              "      <td>132.0</td>\n",
              "      <td>[{\"iso_639_1\": \"en\", \"name\": \"English\"}]</td>\n",
              "      <td>Released</td>\n",
              "      <td>Lost in our world, found in another.</td>\n",
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              "      <td>6.1</td>\n",
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              "      budget  ... vote_count\n",
              "0  237000000  ...      11800\n",
              "1  300000000  ...       4500\n",
              "2  245000000  ...       4466\n",
              "3  250000000  ...       9106\n",
              "4  260000000  ...       2124\n",
              "\n",
              "[5 rows x 20 columns]"
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            "<class 'pandas.core.frame.DataFrame'>\n",
            "RangeIndex: 4803 entries, 0 to 4802\n",
            "Data columns (total 20 columns):\n",
            " #   Column                Non-Null Count  Dtype  \n",
            "---  ------                --------------  -----  \n",
            " 0   budget                4803 non-null   int64  \n",
            " 1   genres                4803 non-null   object \n",
            " 2   homepage              1712 non-null   object \n",
            " 3   id                    4803 non-null   int64  \n",
            " 4   keywords              4803 non-null   object \n",
            " 5   original_language     4803 non-null   object \n",
            " 6   original_title        4803 non-null   object \n",
            " 7   overview              4800 non-null   object \n",
            " 8   popularity            4803 non-null   float64\n",
            " 9   production_companies  4803 non-null   object \n",
            " 10  production_countries  4803 non-null   object \n",
            " 11  release_date          4802 non-null   object \n",
            " 12  revenue               4803 non-null   int64  \n",
            " 13  runtime               4801 non-null   float64\n",
            " 14  spoken_languages      4803 non-null   object \n",
            " 15  status                4803 non-null   object \n",
            " 16  tagline               3959 non-null   object \n",
            " 17  title                 4803 non-null   object \n",
            " 18  vote_average          4803 non-null   float64\n",
            " 19  vote_count            4803 non-null   int64  \n",
            "dtypes: float64(3), int64(4), object(13)\n",
            "memory usage: 750.6+ KB\n"
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            "<class 'pandas.core.frame.DataFrame'>\n",
            "RangeIndex: 4803 entries, 0 to 4802\n",
            "Data columns (total 4 columns):\n",
            " #   Column    Non-Null Count  Dtype \n",
            "---  ------    --------------  ----- \n",
            " 0   movie_id  4803 non-null   int64 \n",
            " 1   title     4803 non-null   object\n",
            " 2   cast      4803 non-null   object\n",
            " 3   crew      4803 non-null   object\n",
            "dtypes: int64(1), object(3)\n",
            "memory usage: 150.2+ KB\n"
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              "      <td>Pirates of the Caribbean: At World's End</td>\n",
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              "      <td>The Dark Knight Rises</td>\n",
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              "      <td>John Carter</td>\n",
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              "  </svg>\n",
              "      </button>\n",
              "      \n",
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              "    .colab-df-convert {\n",
              "      background-color: #E8F0FE;\n",
              "      border: none;\n",
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              "      height: 32px;\n",
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              "      width: 32px;\n",
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              "\n",
              "    .colab-df-convert:hover {\n",
              "      background-color: #E2EBFA;\n",
              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "      fill: #174EA6;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert {\n",
              "      background-color: #3B4455;\n",
              "      fill: #D2E3FC;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert:hover {\n",
              "      background-color: #434B5C;\n",
              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
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              "\n",
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              "\n",
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              "            await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                     [key], {});\n",
              "          if (!dataTable) return;\n",
              "\n",
              "          const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "            '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "            + ' to learn more about interactive tables.';\n",
              "          element.innerHTML = '';\n",
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              "        }\n",
              "      </script>\n",
              "    </div>\n",
              "  </div>\n",
              "  "
            ],
            "text/plain": [
              "   movie_id  ...                                               crew\n",
              "0     19995  ...  [{\"credit_id\": \"52fe48009251416c750aca23\", \"de...\n",
              "1       285  ...  [{\"credit_id\": \"52fe4232c3a36847f800b579\", \"de...\n",
              "2    206647  ...  [{\"credit_id\": \"54805967c3a36829b5002c41\", \"de...\n",
              "3     49026  ...  [{\"credit_id\": \"52fe4781c3a36847f81398c3\", \"de...\n",
              "4     49529  ...  [{\"credit_id\": \"52fe479ac3a36847f813eaa3\", \"de...\n",
              "\n",
              "[5 rows x 4 columns]"
            ]
          },
          "metadata": {},
          "execution_count": 9
        }
      ]
    },
    {
      "cell_type": "markdown",
      "source": [
        "## Merging both dataframes : Movies & Credits"
      ],
      "metadata": {
        "id": "VDzt49G4Uz2G"
      }
    },
    {
      "cell_type": "code",
      "source": [
        "movies = movies.merge(credits,on='title')"
      ],
      "metadata": {
        "id": "iW8RUZd7Uxdl"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "movies.shape"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "XC-LIM9YU9je",
        "outputId": "c5ebf6c3-a8bc-4272-b796-1d79a2892d79"
      },
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "(4809, 23)"
            ]
          },
          "metadata": {},
          "execution_count": 11
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "movies.head(1)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 231
        },
        "id": "zHv0h2qOVIdq",
        "outputId": "259f7377-8997-4699-f300-bbda80033473"
      },
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
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              "\n",
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              "      <td>19995</td>\n",
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              "      <td>en</td>\n",
              "      <td>Avatar</td>\n",
              "      <td>In the 22nd century, a paraplegic Marine is di...</td>\n",
              "      <td>150.437577</td>\n",
              "      <td>[{\"name\": \"Ingenious Film Partners\", \"id\": 289...</td>\n",
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              "      </button>\n",
              "      \n",
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              "    .colab-df-container {\n",
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              "\n",
              "    .colab-df-convert {\n",
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              "\n",
              "    .colab-df-convert:hover {\n",
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              "\n",
              "    [theme=dark] .colab-df-convert {\n",
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              "\n",
              "    [theme=dark] .colab-df-convert:hover {\n",
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              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
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              "  </style>\n",
              "\n",
              "      <script>\n",
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              "          document.querySelector('#df-2980588f-4412-4510-87ce-ea1d421d1565 button.colab-df-convert');\n",
              "        buttonEl.style.display =\n",
              "          google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "\n",
              "        async function convertToInteractive(key) {\n",
              "          const element = document.querySelector('#df-2980588f-4412-4510-87ce-ea1d421d1565');\n",
              "          const dataTable =\n",
              "            await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                     [key], {});\n",
              "          if (!dataTable) return;\n",
              "\n",
              "          const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "            '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "            + ' to learn more about interactive tables.';\n",
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              "  "
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              "      budget  ...                                               crew\n",
              "0  237000000  ...  [{\"credit_id\": \"52fe48009251416c750aca23\", \"de...\n",
              "\n",
              "[1 rows x 23 columns]"
            ]
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    },
    {
      "cell_type": "markdown",
      "source": [
        "## Data Pre-Processing"
      ],
      "metadata": {
        "id": "ypuF24ZlVPCT"
      }
    },
    {
      "cell_type": "code",
      "source": [
        "#> important columns to be used in recommendation system : \n",
        "\n",
        "# genres\n",
        "# id\n",
        "# keywords\n",
        "# title\n",
        "# overview\n",
        "# cast\n",
        "# crew "
      ],
      "metadata": {
        "id": "B6fIVn5EVKZ0"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "movies = movies[['movie_id','title','overview','genres','cast','keywords','crew']]"
      ],
      "metadata": {
        "id": "TVwF-TuVXMiU"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "movies.head(5)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 774
        },
        "id": "qTgoczQ0Xd7i",
        "outputId": "a633c033-01ff-48d8-9ec0-4e315efcf240"
      },
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
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              "\n",
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              "\n",
              "    [theme=dark] .colab-df-convert:hover {\n",
              "      background-color: #434B5C;\n",
              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
              "      fill: #FFFFFF;\n",
              "    }\n",
              "  </style>\n",
              "\n",
              "      <script>\n",
              "        const buttonEl =\n",
              "          document.querySelector('#df-c597e272-0c5b-451d-bc7b-96ed0f44a964 button.colab-df-convert');\n",
              "        buttonEl.style.display =\n",
              "          google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "\n",
              "        async function convertToInteractive(key) {\n",
              "          const element = document.querySelector('#df-c597e272-0c5b-451d-bc7b-96ed0f44a964');\n",
              "          const dataTable =\n",
              "            await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                     [key], {});\n",
              "          if (!dataTable) return;\n",
              "\n",
              "          const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "            '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "            + ' to learn more about interactive tables.';\n",
              "          element.innerHTML = '';\n",
              "          dataTable['output_type'] = 'display_data';\n",
              "          await google.colab.output.renderOutput(dataTable, element);\n",
              "          const docLink = document.createElement('div');\n",
              "          docLink.innerHTML = docLinkHtml;\n",
              "          element.appendChild(docLink);\n",
              "        }\n",
              "      </script>\n",
              "    </div>\n",
              "  </div>\n",
              "  "
            ],
            "text/plain": [
              "   movie_id  ...                                               crew\n",
              "0     19995  ...  [{\"credit_id\": \"52fe48009251416c750aca23\", \"de...\n",
              "1       285  ...  [{\"credit_id\": \"52fe4232c3a36847f800b579\", \"de...\n",
              "2    206647  ...  [{\"credit_id\": \"54805967c3a36829b5002c41\", \"de...\n",
              "3     49026  ...  [{\"credit_id\": \"52fe4781c3a36847f81398c3\", \"de...\n",
              "4     49529  ...  [{\"credit_id\": \"52fe479ac3a36847f813eaa3\", \"de...\n",
              "\n",
              "[5 rows x 7 columns]"
            ]
          },
          "metadata": {},
          "execution_count": 15
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "movies.isnull().sum()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "tBFjGKgDXf1S",
        "outputId": "3979bc25-c437-4442-8107-1ff27c3450c0"
      },
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "movie_id    0\n",
              "title       0\n",
              "overview    3\n",
              "genres      0\n",
              "cast        0\n",
              "keywords    0\n",
              "crew        0\n",
              "dtype: int64"
            ]
          },
          "metadata": {},
          "execution_count": 16
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "movies.dropna(inplace=True)"
      ],
      "metadata": {
        "id": "0KjODpuHYQWn"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "movies.isnull().sum()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "1NB--S0PYYH6",
        "outputId": "ee8ad5f8-823a-4ac7-c224-d9e21337ebb9"
      },
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "movie_id    0\n",
              "title       0\n",
              "overview    0\n",
              "genres      0\n",
              "cast        0\n",
              "keywords    0\n",
              "crew        0\n",
              "dtype: int64"
            ]
          },
          "metadata": {},
          "execution_count": 18
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "movies.duplicated().sum()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "vMFZcfm6YZBJ",
        "outputId": "306ebffa-308b-4429-b6c9-87cd506afe89"
      },
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "0"
            ]
          },
          "metadata": {},
          "execution_count": 19
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "movies.iloc[0].genres"
      ],
      "metadata": {
        "id": "h5R9lcgcYc3C",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 53
        },
        "outputId": "e0640c41-6947-451e-b21b-4ec51b7c66d4"
      },
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            },
            "text/plain": [
              "'[{\"id\": 28, \"name\": \"Action\"}, {\"id\": 12, \"name\": \"Adventure\"}, {\"id\": 14, \"name\": \"Fantasy\"}, {\"id\": 878, \"name\": \"Science Fiction\"}]'"
            ]
          },
          "metadata": {},
          "execution_count": 20
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "import ast"
      ],
      "metadata": {
        "id": "yHh4GXph0wD-"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "# extracting genres from raw data for the creation of tags\n",
        "\n",
        "def convert(obj):\n",
        "  L = []\n",
        "  for i in ast.literal_eval(obj):\n",
        "    L.append(i['name'])\n",
        "  return L"
      ],
      "metadata": {
        "id": "TIvEMMg60F8Q"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "movies['genres'] = movies['genres'].apply(convert)"
      ],
      "metadata": {
        "id": "rk1iIobi0pZx"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "movies['keywords'] = movies['keywords'].apply(convert)"
      ],
      "metadata": {
        "id": "gBuiUgfV0_Vt"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "movies.head(5)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 774
        },
        "id": "OreLM2eS1GVo",
        "outputId": "ee411530-d0a6-45a8-c258-bc244fb37782"
      },
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/html": [
              "\n",
              "  <div id=\"df-f48788d2-8f3e-4b35-ba7d-0154ef20cbb8\">\n",
              "    <div class=\"colab-df-container\">\n",
              "      <div>\n",
              "<style scoped>\n",
              "    .dataframe tbody tr th:only-of-type {\n",
              "        vertical-align: middle;\n",
              "    }\n",
              "\n",
              "    .dataframe tbody tr th {\n",
              "        vertical-align: top;\n",
              "    }\n",
              "\n",
              "    .dataframe thead th {\n",
              "        text-align: right;\n",
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              "<table border=\"1\" class=\"dataframe\">\n",
              "  <thead>\n",
              "    <tr style=\"text-align: right;\">\n",
              "      <th></th>\n",
              "      <th>movie_id</th>\n",
              "      <th>title</th>\n",
              "      <th>overview</th>\n",
              "      <th>genres</th>\n",
              "      <th>cast</th>\n",
              "      <th>keywords</th>\n",
              "      <th>crew</th>\n",
              "    </tr>\n",
              "  </thead>\n",
              "  <tbody>\n",
              "    <tr>\n",
              "      <th>0</th>\n",
              "      <td>19995</td>\n",
              "      <td>Avatar</td>\n",
              "      <td>In the 22nd century, a paraplegic Marine is di...</td>\n",
              "      <td>[Action, Adventure, Fantasy, Science Fiction]</td>\n",
              "      <td>[{\"cast_id\": 242, \"character\": \"Jake Sully\", \"...</td>\n",
              "      <td>[culture clash, future, space war, space colon...</td>\n",
              "      <td>[{\"credit_id\": \"52fe48009251416c750aca23\", \"de...</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>1</th>\n",
              "      <td>285</td>\n",
              "      <td>Pirates of the Caribbean: At World's End</td>\n",
              "      <td>Captain Barbossa, long believed to be dead, ha...</td>\n",
              "      <td>[Adventure, Fantasy, Action]</td>\n",
              "      <td>[{\"cast_id\": 4, \"character\": \"Captain Jack Spa...</td>\n",
              "      <td>[ocean, drug abuse, exotic island, east india ...</td>\n",
              "      <td>[{\"credit_id\": \"52fe4232c3a36847f800b579\", \"de...</td>\n",
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              "    <tr>\n",
              "      <th>2</th>\n",
              "      <td>206647</td>\n",
              "      <td>Spectre</td>\n",
              "      <td>A cryptic message from Bond’s past sends him o...</td>\n",
              "      <td>[Action, Adventure, Crime]</td>\n",
              "      <td>[{\"cast_id\": 1, \"character\": \"James Bond\", \"cr...</td>\n",
              "      <td>[spy, based on novel, secret agent, sequel, mi...</td>\n",
              "      <td>[{\"credit_id\": \"54805967c3a36829b5002c41\", \"de...</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>3</th>\n",
              "      <td>49026</td>\n",
              "      <td>The Dark Knight Rises</td>\n",
              "      <td>Following the death of District Attorney Harve...</td>\n",
              "      <td>[Action, Crime, Drama, Thriller]</td>\n",
              "      <td>[{\"cast_id\": 2, \"character\": \"Bruce Wayne / Ba...</td>\n",
              "      <td>[dc comics, crime fighter, terrorist, secret i...</td>\n",
              "      <td>[{\"credit_id\": \"52fe4781c3a36847f81398c3\", \"de...</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>4</th>\n",
              "      <td>49529</td>\n",
              "      <td>John Carter</td>\n",
              "      <td>John Carter is a war-weary, former military ca...</td>\n",
              "      <td>[Action, Adventure, Science Fiction]</td>\n",
              "      <td>[{\"cast_id\": 5, \"character\": \"John Carter\", \"c...</td>\n",
              "      <td>[based on novel, mars, medallion, space travel...</td>\n",
              "      <td>[{\"credit_id\": \"52fe479ac3a36847f813eaa3\", \"de...</td>\n",
              "    </tr>\n",
              "  </tbody>\n",
              "</table>\n",
              "</div>\n",
              "      <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-f48788d2-8f3e-4b35-ba7d-0154ef20cbb8')\"\n",
              "              title=\"Convert this dataframe to an interactive table.\"\n",
              "              style=\"display:none;\">\n",
              "        \n",
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              "  </svg>\n",
              "      </button>\n",
              "      \n",
              "  <style>\n",
              "    .colab-df-container {\n",
              "      display:flex;\n",
              "      flex-wrap:wrap;\n",
              "      gap: 12px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert {\n",
              "      background-color: #E8F0FE;\n",
              "      border: none;\n",
              "      border-radius: 50%;\n",
              "      cursor: pointer;\n",
              "      display: none;\n",
              "      fill: #1967D2;\n",
              "      height: 32px;\n",
              "      padding: 0 0 0 0;\n",
              "      width: 32px;\n",
              "    }\n",
              "\n",
              "    .colab-df-convert:hover {\n",
              "      background-color: #E2EBFA;\n",
              "      box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
              "      fill: #174EA6;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert {\n",
              "      background-color: #3B4455;\n",
              "      fill: #D2E3FC;\n",
              "    }\n",
              "\n",
              "    [theme=dark] .colab-df-convert:hover {\n",
              "      background-color: #434B5C;\n",
              "      box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
              "      filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
              "      fill: #FFFFFF;\n",
              "    }\n",
              "  </style>\n",
              "\n",
              "      <script>\n",
              "        const buttonEl =\n",
              "          document.querySelector('#df-f48788d2-8f3e-4b35-ba7d-0154ef20cbb8 button.colab-df-convert');\n",
              "        buttonEl.style.display =\n",
              "          google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
              "\n",
              "        async function convertToInteractive(key) {\n",
              "          const element = document.querySelector('#df-f48788d2-8f3e-4b35-ba7d-0154ef20cbb8');\n",
              "          const dataTable =\n",
              "            await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                     [key], {});\n",
              "          if (!dataTable) return;\n",
              "\n",
              "          const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "            '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "            + ' to learn more about interactive tables.';\n",
              "          element.innerHTML = '';\n",
              "          dataTable['output_type'] = 'display_data';\n",
              "          await google.colab.output.renderOutput(dataTable, element);\n",
              "          const docLink = document.createElement('div');\n",
              "          docLink.innerHTML = docLinkHtml;\n",
              "          element.appendChild(docLink);\n",
              "        }\n",
              "      </script>\n",
              "    </div>\n",
              "  </div>\n",
              "  "
            ],
            "text/plain": [
              "   movie_id  ...                                               crew\n",
              "0     19995  ...  [{\"credit_id\": \"52fe48009251416c750aca23\", \"de...\n",
              "1       285  ...  [{\"credit_id\": \"52fe4232c3a36847f800b579\", \"de...\n",
              "2    206647  ...  [{\"credit_id\": \"54805967c3a36829b5002c41\", \"de...\n",
              "3     49026  ...  [{\"credit_id\": \"52fe4781c3a36847f81398c3\", \"de...\n",
              "4     49529  ...  [{\"credit_id\": \"52fe479ac3a36847f813eaa3\", \"de...\n",
              "\n",
              "[5 rows x 7 columns]"
            ]
          },
          "metadata": {},
          "execution_count": 25
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "#function for extracting top 3 actors from the movie \n",
        "\n",
        "def convert3(obj):\n",
        "  L = []\n",
        "  counter = 0\n",
        "  for i in ast.literal_eval(obj):\n",
        "    if counter !=3:\n",
        "      L.append(i['name'])\n",
        "      counter+=1\n",
        "    else:\n",
        "      break\n",
        "  return L"
      ],
      "metadata": {
        "id": "Pk0AQywG1SjZ"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "movies['cast'] = movies['cast'].apply(convert3)"
      ],
      "metadata": {
        "id": "_rbxxI8G1y77"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "movies.head(5)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 774
        },
        "id": "OlYk8AmZ14H1",
        "outputId": "236c70c6-2234-4bc0-9173-12b7758135b5"
      },
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/html": [
              "\n",
              "  <div id=\"df-0d221174-7014-49d1-9ab1-502fd75c7d9d\">\n",
              "    <div class=\"colab-df-container\">\n",
              "      <div>\n",
              "<style scoped>\n",
              "    .dataframe tbody tr th:only-of-type {\n",
              "        vertical-align: middle;\n",
              "    }\n",
              "\n",
              "    .dataframe tbody tr th {\n",
              "        vertical-align: top;\n",
              "    }\n",
              "\n",
              "    .dataframe thead th {\n",
              "        text-align: right;\n",
              "    }\n",
              "</style>\n",
              "<table border=\"1\" class=\"dataframe\">\n",
              "  <thead>\n",
              "    <tr style=\"text-align: right;\">\n",
              "      <th></th>\n",
              "      <th>movie_id</th>\n",
              "      <th>title</th>\n",
              "      <th>overview</th>\n",
              "      <th>genres</th>\n",
              "      <th>cast</th>\n",
              "      <th>keywords</th>\n",
              "      <th>crew</th>\n",
              "    </tr>\n",
              "  </thead>\n",
              "  <tbody>\n",
              "    <tr>\n",
              "      <th>0</th>\n",
              "      <td>19995</td>\n",
              "      <td>Avatar</td>\n",
              "      <td>In the 22nd century, a paraplegic Marine is di...</td>\n",
              "      <td>[Action, Adventure, Fantasy, Science Fiction]</td>\n",
              "      <td>[Sam Worthington, Zoe Saldana, Sigourney Weaver]</td>\n",
              "      <td>[culture clash, future, space war, space colon...</td>\n",
              "      <td>[{\"credit_id\": \"52fe48009251416c750aca23\", \"de...</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>1</th>\n",
              "      <td>285</td>\n",
              "      <td>Pirates of the Caribbean: At World's End</td>\n",
              "      <td>Captain Barbossa, long believed to be dead, ha...</td>\n",
              "      <td>[Adventure, Fantasy, Action]</td>\n",
              "      <td>[Johnny Depp, Orlando Bloom, Keira Knightley]</td>\n",
              "      <td>[ocean, drug abuse, exotic island, east india ...</td>\n",
              "      <td>[{\"credit_id\": \"52fe4232c3a36847f800b579\", \"de...</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>2</th>\n",
              "      <td>206647</td>\n",
              "      <td>Spectre</td>\n",
              "      <td>A cryptic message from Bond’s past sends him o...</td>\n",
              "      <td>[Action, Adventure, Crime]</td>\n",
              "      <td>[Daniel Craig, Christoph Waltz, Léa Seydoux]</td>\n",
              "      <td>[spy, based on novel, secret agent, sequel, mi...</td>\n",
              "      <td>[{\"credit_id\": \"54805967c3a36829b5002c41\", \"de...</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>3</th>\n",
              "      <td>49026</td>\n",
              "      <td>The Dark Knight Rises</td>\n",
              "      <td>Following the death of District Attorney Harve...</td>\n",
              "      <td>[Action, Crime, Drama, Thriller]</td>\n",
              "      <td>[Christian Bale, Michael Caine, Gary Oldman]</td>\n",
              "      <td>[dc comics, crime fighter, terrorist, secret i...</td>\n",
              "      <td>[{\"credit_id\": \"52fe4781c3a36847f81398c3\", \"de...</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>4</th>\n",
              "      <td>49529</td>\n",
              "      <td>John Carter</td>\n",
              "      <td>John Carter is a war-weary, former military ca...</td>\n",
              "      <td>[Action, Adventure, Science Fiction]</td>\n",
              "      <td>[Taylor Kitsch, Lynn Collins, Samantha Morton]</td>\n",
              "      <td>[based on novel, mars, medallion, space travel...</td>\n",
              "      <td>[{\"credit_id\": \"52fe479ac3a36847f813eaa3\", \"de...</td>\n",
              "    </tr>\n",
              "  </tbody>\n",
              "</table>\n",
              "</div>\n",
              "      <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-0d221174-7014-49d1-9ab1-502fd75c7d9d')\"\n",
              "              title=\"Convert this dataframe to an interactive table.\"\n",
              "              style=\"display:none;\">\n",
              "        \n",
              "  <svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
              "       width=\"24px\">\n",
              "    <path d=\"M0 0h24v24H0V0z\" fill=\"none\"/>\n",
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              "            await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                     [key], {});\n",
              "          if (!dataTable) return;\n",
              "\n",
              "          const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "            '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "            + ' to learn more about interactive tables.';\n",
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              "        }\n",
              "      </script>\n",
              "    </div>\n",
              "  </div>\n",
              "  "
            ],
            "text/plain": [
              "   movie_id  ...                                               crew\n",
              "0     19995  ...  [{\"credit_id\": \"52fe48009251416c750aca23\", \"de...\n",
              "1       285  ...  [{\"credit_id\": \"52fe4232c3a36847f800b579\", \"de...\n",
              "2    206647  ...  [{\"credit_id\": \"54805967c3a36829b5002c41\", \"de...\n",
              "3     49026  ...  [{\"credit_id\": \"52fe4781c3a36847f81398c3\", \"de...\n",
              "4     49529  ...  [{\"credit_id\": \"52fe479ac3a36847f813eaa3\", \"de...\n",
              "\n",
              "[5 rows x 7 columns]"
            ]
          },
          "metadata": {},
          "execution_count": 28
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "#function to fetch the director of movie from crew column\n",
        "def fetch_director(obj):\n",
        "  L = []\n",
        "  for i in ast.literal_eval(obj):\n",
        "    if i['job'] == 'Director':\n",
        "      L.append(i['name'])\n",
        "      break\n",
        "  return L"
      ],
      "metadata": {
        "id": "KL9NDb_C2Joc"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "movies['crew'] = movies['crew'].apply(fetch_director)"
      ],
      "metadata": {
        "id": "hB6PDWNh20XA"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "movies.head(5)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 718
        },
        "id": "annE-rHI24jg",
        "outputId": "56df4ddb-e2b1-4ee6-c27f-5e683f2258a0"
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      "execution_count": null,
      "outputs": [
        {
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          "data": {
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              "\n",
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              "      <th>movie_id</th>\n",
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              "      <td>19995</td>\n",
              "      <td>Avatar</td>\n",
              "      <td>In the 22nd century, a paraplegic Marine is di...</td>\n",
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              "      <td>Pirates of the Caribbean: At World's End</td>\n",
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              "      <td>[Johnny Depp, Orlando Bloom, Keira Knightley]</td>\n",
              "      <td>[ocean, drug abuse, exotic island, east india ...</td>\n",
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              "      <td>206647</td>\n",
              "      <td>Spectre</td>\n",
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              "      <td>[Daniel Craig, Christoph Waltz, Léa Seydoux]</td>\n",
              "      <td>[spy, based on novel, secret agent, sequel, mi...</td>\n",
              "      <td>[Sam Mendes]</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>3</th>\n",
              "      <td>49026</td>\n",
              "      <td>The Dark Knight Rises</td>\n",
              "      <td>Following the death of District Attorney Harve...</td>\n",
              "      <td>[Action, Crime, Drama, Thriller]</td>\n",
              "      <td>[Christian Bale, Michael Caine, Gary Oldman]</td>\n",
              "      <td>[dc comics, crime fighter, terrorist, secret i...</td>\n",
              "      <td>[Christopher Nolan]</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>4</th>\n",
              "      <td>49529</td>\n",
              "      <td>John Carter</td>\n",
              "      <td>John Carter is a war-weary, former military ca...</td>\n",
              "      <td>[Action, Adventure, Science Fiction]</td>\n",
              "      <td>[Taylor Kitsch, Lynn Collins, Samantha Morton]</td>\n",
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              "      <td>[Andrew Stanton]</td>\n",
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              "          const element = document.querySelector('#df-f1647e31-a7fb-44e8-b97f-7e5d0633c293');\n",
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              "            await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                     [key], {});\n",
              "          if (!dataTable) return;\n",
              "\n",
              "          const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "            '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "            + ' to learn more about interactive tables.';\n",
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            ],
            "text/plain": [
              "   movie_id  ...                 crew\n",
              "0     19995  ...      [James Cameron]\n",
              "1       285  ...     [Gore Verbinski]\n",
              "2    206647  ...         [Sam Mendes]\n",
              "3     49026  ...  [Christopher Nolan]\n",
              "4     49529  ...     [Andrew Stanton]\n",
              "\n",
              "[5 rows x 7 columns]"
            ]
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          "metadata": {},
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        }
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    },
    {
      "cell_type": "code",
      "source": [
        "movies['overview'] = movies['overview'].apply(lambda x:x.split())"
      ],
      "metadata": {
        "id": "5k6A8Whp2-n1"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "movies.head()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 718
        },
        "id": "1mKqJ2i_3KvO",
        "outputId": "a02b3c68-ff5f-40c2-aa10-9b1c68ec7913"
      },
      "execution_count": null,
      "outputs": [
        {
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          "data": {
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              "            await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                     [key], {});\n",
              "          if (!dataTable) return;\n",
              "\n",
              "          const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "            '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "            + ' to learn more about interactive tables.';\n",
              "          element.innerHTML = '';\n",
              "          dataTable['output_type'] = 'display_data';\n",
              "          await google.colab.output.renderOutput(dataTable, element);\n",
              "          const docLink = document.createElement('div');\n",
              "          docLink.innerHTML = docLinkHtml;\n",
              "          element.appendChild(docLink);\n",
              "        }\n",
              "      </script>\n",
              "    </div>\n",
              "  </div>\n",
              "  "
            ],
            "text/plain": [
              "   movie_id  ...                 crew\n",
              "0     19995  ...      [James Cameron]\n",
              "1       285  ...     [Gore Verbinski]\n",
              "2    206647  ...         [Sam Mendes]\n",
              "3     49026  ...  [Christopher Nolan]\n",
              "4     49529  ...     [Andrew Stanton]\n",
              "\n",
              "[5 rows x 7 columns]"
            ]
          },
          "metadata": {},
          "execution_count": 33
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# applying a transformation to remove spaces between words \n",
        "\n",
        "movies['genres'] = movies['genres'].apply(lambda x:[i.replace(\" \",\"\") for i in x])\n",
        "movies['keywords'] = movies['keywords'].apply(lambda x:[i.replace(\" \",\"\") for i in x])\n",
        "movies['cast'] = movies['cast'].apply(lambda x:[i.replace(\" \",\"\") for i in x])\n",
        "movies['crew'] = movies['crew'].apply(lambda x:[i.replace(\" \",\"\") for i in x])"
      ],
      "metadata": {
        "id": "nEjP5OjK3P6t"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "movies.head()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 634
        },
        "id": "59I5jLlO4dHh",
        "outputId": "3fb010bd-21dc-4102-95d2-6639bb38ce8c"
      },
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
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              "\n",
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              "      <th>movie_id</th>\n",
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              "      <td>19995</td>\n",
              "      <td>Avatar</td>\n",
              "      <td>[In, the, 22nd, century,, a, paraplegic, Marin...</td>\n",
              "      <td>[Action, Adventure, Fantasy, ScienceFiction]</td>\n",
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              "      <td>Pirates of the Caribbean: At World's End</td>\n",
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              "      <td>[GoreVerbinski]</td>\n",
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              "    <tr>\n",
              "      <th>2</th>\n",
              "      <td>206647</td>\n",
              "      <td>Spectre</td>\n",
              "      <td>[A, cryptic, message, from, Bond’s, past, send...</td>\n",
              "      <td>[Action, Adventure, Crime]</td>\n",
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              "      <td>[SamMendes]</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>3</th>\n",
              "      <td>49026</td>\n",
              "      <td>The Dark Knight Rises</td>\n",
              "      <td>[Following, the, death, of, District, Attorney...</td>\n",
              "      <td>[Action, Crime, Drama, Thriller]</td>\n",
              "      <td>[ChristianBale, MichaelCaine, GaryOldman]</td>\n",
              "      <td>[dccomics, crimefighter, terrorist, secretiden...</td>\n",
              "      <td>[ChristopherNolan]</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>4</th>\n",
              "      <td>49529</td>\n",
              "      <td>John Carter</td>\n",
              "      <td>[John, Carter, is, a, war-weary,, former, mili...</td>\n",
              "      <td>[Action, Adventure, ScienceFiction]</td>\n",
              "      <td>[TaylorKitsch, LynnCollins, SamanthaMorton]</td>\n",
              "      <td>[basedonnovel, mars, medallion, spacetravel, p...</td>\n",
              "      <td>[AndrewStanton]</td>\n",
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              "            await google.colab.kernel.invokeFunction('convertToInteractive',\n",
              "                                                     [key], {});\n",
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              "\n",
              "          const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "            '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "            + ' to learn more about interactive tables.';\n",
              "          element.innerHTML = '';\n",
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              "  "
            ],
            "text/plain": [
              "   movie_id  ...                crew\n",
              "0     19995  ...      [JamesCameron]\n",
              "1       285  ...     [GoreVerbinski]\n",
              "2    206647  ...         [SamMendes]\n",
              "3     49026  ...  [ChristopherNolan]\n",
              "4     49529  ...     [AndrewStanton]\n",
              "\n",
              "[5 rows x 7 columns]"
            ]
          },
          "metadata": {},
          "execution_count": 35
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "movies['tags'] = movies['overview'] + movies['genres'] + movies['keywords'] + movies['cast'] + movies['crew']"
      ],
      "metadata": {
        "id": "BVu4ySYZ4v2Q"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "movies.head()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 634
        },
        "id": "-KNbVA_Z5CMa",
        "outputId": "15fa3f55-c1cb-4309-a059-0f6c109188b2"
      },
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/html": [
              "\n",
              "  <div id=\"df-47f4ce07-85cd-4973-ba81-0706a9d9370f\">\n",
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              "      <th></th>\n",
              "      <th>movie_id</th>\n",
              "      <th>title</th>\n",
              "      <th>overview</th>\n",
              "      <th>genres</th>\n",
              "      <th>cast</th>\n",
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              "      <th>0</th>\n",
              "      <td>19995</td>\n",
              "      <td>Avatar</td>\n",
              "      <td>[In, the, 22nd, century,, a, paraplegic, Marin...</td>\n",
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              "    </tr>\n",
              "    <tr>\n",
              "      <th>1</th>\n",
              "      <td>285</td>\n",
              "      <td>Pirates of the Caribbean: At World's End</td>\n",
              "      <td>[Captain, Barbossa,, long, believed, to, be, d...</td>\n",
              "      <td>[Adventure, Fantasy, Action]</td>\n",
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              "      <td>[GoreVerbinski]</td>\n",
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              "      <td>Spectre</td>\n",
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              "      <td>[Action, Adventure, Crime]</td>\n",
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              "      <td>[spy, basedonnovel, secretagent, sequel, mi6, ...</td>\n",
              "      <td>[SamMendes]</td>\n",
              "      <td>[A, cryptic, message, from, Bond’s, past, send...</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>3</th>\n",
              "      <td>49026</td>\n",
              "      <td>The Dark Knight Rises</td>\n",
              "      <td>[Following, the, death, of, District, Attorney...</td>\n",
              "      <td>[Action, Crime, Drama, Thriller]</td>\n",
              "      <td>[ChristianBale, MichaelCaine, GaryOldman]</td>\n",
              "      <td>[dccomics, crimefighter, terrorist, secretiden...</td>\n",
              "      <td>[ChristopherNolan]</td>\n",
              "      <td>[Following, the, death, of, District, Attorney...</td>\n",
              "    </tr>\n",
              "    <tr>\n",
              "      <th>4</th>\n",
              "      <td>49529</td>\n",
              "      <td>John Carter</td>\n",
              "      <td>[John, Carter, is, a, war-weary,, former, mili...</td>\n",
              "      <td>[Action, Adventure, ScienceFiction]</td>\n",
              "      <td>[TaylorKitsch, LynnCollins, SamanthaMorton]</td>\n",
              "      <td>[basedonnovel, mars, medallion, spacetravel, p...</td>\n",
              "      <td>[AndrewStanton]</td>\n",
              "      <td>[John, Carter, is, a, war-weary,, former, mili...</td>\n",
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              "                                                     [key], {});\n",
              "          if (!dataTable) return;\n",
              "\n",
              "          const docLinkHtml = 'Like what you see? Visit the ' +\n",
              "            '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
              "            + ' to learn more about interactive tables.';\n",
              "          element.innerHTML = '';\n",
              "          dataTable['output_type'] = 'display_data';\n",
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              "        }\n",
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              "    </div>\n",
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              "  "
            ],
            "text/plain": [
              "   movie_id  ...                                               tags\n",
              "0     19995  ...  [In, the, 22nd, century,, a, paraplegic, Marin...\n",
              "1       285  ...  [Captain, Barbossa,, long, believed, to, be, d...\n",
              "2    206647  ...  [A, cryptic, message, from, Bond’s, past, send...\n",
              "3     49026  ...  [Following, the, death, of, District, Attorney...\n",
              "4     49529  ...  [John, Carter, is, a, war-weary,, former, mili...\n",
              "\n",
              "[5 rows x 8 columns]"
            ]
          },
          "metadata": {},
          "execution_count": 37
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "new_df = movies[['movie_id','title','tags']]"
      ],
      "metadata": {
        "id": "VQbIIfro5DtT"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "new_df['tags'] = new_df['tags'].apply(lambda x:\" \".join(x))"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "dKDGEiM15Odx",
        "outputId": "0d8d376a-cc7b-42dc-b838-0af90f8546cd"
      },
      "execution_count": null,
      "outputs": [
        {
          "output_type": "stream",
          "name": "stderr",
          "text": [
            "/usr/local/lib/python3.7/dist-packages/ipykernel_launcher.py:1: SettingWithCopyWarning: \n",
            "A value is trying to be set on a copy of a slice from a DataFrame.\n",
            "Try using .loc[row_indexer,col_indexer] = value instead\n",
            "\n",
            "See the caveats in the documentation: https://pandas.pydata.org/pandas-docs/stable/user_guide/indexing.html#returning-a-view-versus-a-copy\n",
            "  \"\"\"Entry point for launching an IPython kernel.\n"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "new_df.head()"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
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        {
          "output_type": "execute_result",
          "data": {
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              "   movie_id  ...                                               tags\n",
              "0     19995  ...  In the 22nd century, a paraplegic Marine is di...\n",
              "1       285  ...  Captain Barbossa, long believed to be dead, ha...\n",
              "2    206647  ...  A cryptic message from Bond’s past sends him o...\n",
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              "\n",
              "[5 rows x 3 columns]"
            ]
          },
          "metadata": {},
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        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "new_df['tags'][0]"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 122
        },
        "id": "v1j10FGB5mVj",
        "outputId": "78df999a-8f18-44d1-959a-649299b052e8"
      },
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            },
            "text/plain": [
              "'In the 22nd century, a paraplegic Marine is dispatched to the moon Pandora on a unique mission, but becomes torn between following orders and protecting an alien civilization. Action Adventure Fantasy ScienceFiction cultureclash future spacewar spacecolony society spacetravel futuristic romance space alien tribe alienplanet cgi marine soldier battle loveaffair antiwar powerrelations mindandsoul 3d SamWorthington ZoeSaldana SigourneyWeaver JamesCameron'"
            ]
          },
          "metadata": {},
          "execution_count": 41
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "new_df['tags'] = new_df['tags'].apply(lambda x:x.lower())"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "WJhTXTrM5sg7",
        "outputId": "079dfda5-c0e2-4232-88d5-6ea9e81633cd"
      },
      "execution_count": null,
      "outputs": [
        {
          "output_type": "stream",
          "name": "stderr",
          "text": [
            "/usr/local/lib/python3.7/dist-packages/ipykernel_launcher.py:1: SettingWithCopyWarning: \n",
            "A value is trying to be set on a copy of a slice from a DataFrame.\n",
            "Try using .loc[row_indexer,col_indexer] = value instead\n",
            "\n",
            "See the caveats in the documentation: https://pandas.pydata.org/pandas-docs/stable/user_guide/indexing.html#returning-a-view-versus-a-copy\n",
            "  \"\"\"Entry point for launching an IPython kernel.\n"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "new_df['tags'][0]"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 122
        },
        "id": "3utNb9Jy55GL",
        "outputId": "ce8333e4-633d-44c4-aa69-8890a6cc8b2d"
      },
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            },
            "text/plain": [
              "'in the 22nd century, a paraplegic marine is dispatched to the moon pandora on a unique mission, but becomes torn between following orders and protecting an alien civilization. action adventure fantasy sciencefiction cultureclash future spacewar spacecolony society spacetravel futuristic romance space alien tribe alienplanet cgi marine soldier battle loveaffair antiwar powerrelations mindandsoul 3d samworthington zoesaldana sigourneyweaver jamescameron'"
            ]
          },
          "metadata": {},
          "execution_count": 43
        }
      ]
    },
    {
      "cell_type": "markdown",
      "source": [
        "## Text Vectorization"
      ],
      "metadata": {
        "id": "JrEbOhky5_7W"
      }
    },
    {
      "cell_type": "code",
      "source": [
        "from sklearn.feature_extraction.text import CountVectorizer"
      ],
      "metadata": {
        "id": "f3GU0NQN56zF"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "cv = CountVectorizer(max_features=5000,stop_words='english')"
      ],
      "metadata": {
        "id": "hDu-NVx-JnlC"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "vectors = cv.fit_transform(new_df['tags']).toarray()"
      ],
      "metadata": {
        "id": "r0N_hmQLJ0li"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "## Most frequent 5000 words\n",
        "# cv.get_feature_names() "
      ],
      "metadata": {
        "id": "806pkYpTKJzM"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "markdown",
      "source": [
        "## Applying Stemming Process"
      ],
      "metadata": {
        "id": "nSs6Q1RmKyIy"
      }
    },
    {
      "cell_type": "code",
      "source": [
        "import nltk #for stemming process"
      ],
      "metadata": {
        "id": "-HHasevjKYrt"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "from nltk.stem.porter import PorterStemmer\n",
        "ps = PorterStemmer()"
      ],
      "metadata": {
        "id": "s0cFnGkpLFnV"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "#defining the stemming function\n",
        "def stem(text):\n",
        "  y=[]\n",
        "\n",
        "  for i in text.split():\n",
        "      y.append(ps.stem(i))\n",
        "\n",
        "  return \" \".join(y)"
      ],
      "metadata": {
        "id": "wXt3DYGXLLKf"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "stem('In the 22nd century, a paraplegic Marine is dispatched to the moon Pandora on a unique mission, but becomes torn between following orders and protecting an alien civilization. Action Adventure Fantasy ScienceFiction cultureclash future spacewar spacecolony society spacetravel futuristic romance space alien tribe alienplanet cgi marine soldier battle loveaffair antiwar powerrelations mindandsoul 3d SamWorthington ZoeSaldana SigourneyWeaver JamesCameron')"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 122
        },
        "id": "ixQUKuqwMDyk",
        "outputId": "db1d90b3-9683-4408-bece-a4c420603409"
      },
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            },
            "text/plain": [
              "'In the 22nd century, a parapleg marin is dispatch to the moon pandora on a uniqu mission, but becom torn between follow order and protect an alien civilization. action adventur fantasi sciencefict cultureclash futur spacewar spacecoloni societi spacetravel futurist romanc space alien tribe alienplanet cgi marin soldier battl loveaffair antiwar powerrel mindandsoul 3d samworthington zoesaldana sigourneyweav jamescameron'"
            ]
          },
          "metadata": {},
          "execution_count": 84
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "new_df['tags'] = new_df['tags'].apply(stem)"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "jh-NWDT3MI6k",
        "outputId": "c9e82664-7ea4-4cf3-846d-20357290a114"
      },
      "execution_count": null,
      "outputs": [
        {
          "output_type": "stream",
          "name": "stderr",
          "text": [
            "/usr/local/lib/python3.7/dist-packages/ipykernel_launcher.py:1: SettingWithCopyWarning: \n",
            "A value is trying to be set on a copy of a slice from a DataFrame.\n",
            "Try using .loc[row_indexer,col_indexer] = value instead\n",
            "\n",
            "See the caveats in the documentation: https://pandas.pydata.org/pandas-docs/stable/user_guide/indexing.html#returning-a-view-versus-a-copy\n",
            "  \"\"\"Entry point for launching an IPython kernel.\n"
          ]
        }
      ]
    },
    {
      "cell_type": "markdown",
      "source": [
        "## Similarity Measures"
      ],
      "metadata": {
        "id": "hXieKPkWvxhZ"
      }
    },
    {
      "cell_type": "code",
      "source": [
        "# For calculating similarity, the cosine distance between different vectors will be used.  "
      ],
      "metadata": {
        "id": "-OenwgbxMn-P"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "from sklearn.metrics.pairwise import cosine_similarity"
      ],
      "metadata": {
        "id": "415kuyAoNzp9"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "similarity = cosine_similarity(vectors)"
      ],
      "metadata": {
        "id": "litwuAZHN-Bc"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "markdown",
      "source": [
        "## Making the recommendation function"
      ],
      "metadata": {
        "id": "mwwYXyZjOiVK"
      }
    },
    {
      "cell_type": "code",
      "source": [
        "def recommend(movie):\n",
        "  movie_index = new_df[new_df['title'] == movie].index[0]\n",
        "  distances = similarity[movie_index]\n",
        "  movies_list = sorted(list(enumerate(distances)),reverse=True, key=lambda x:x[1])[1:6]\n",
        "\n",
        "  for i in movies_list:\n",
        "    print(new_df.iloc[i[0]].title)"
      ],
      "metadata": {
        "id": "2Aq8eEiROCDN"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "markdown",
      "source": [
        "## Recommendation"
      ],
      "metadata": {
        "id": "CIxLV5VOwD4H"
      }
    },
    {
      "cell_type": "code",
      "source": [
        "recommend('Batman Begins')  #enter movies only which are in the dataset, otherwise it would result in error"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "ni0iCj1gOSIj",
        "outputId": "9974815f-92af-4229-d1d3-988fdc69eff4"
      },
      "execution_count": null,
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "The Dark Knight\n",
            "The Dark Knight Rises\n",
            "Batman\n",
            "Batman & Robin\n",
            "Batman\n"
          ]
        }
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "new_df.iloc[1216]"
      ],
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "fGmk7Ir5Tb2Y",
        "outputId": "693e020a-fd64-4a86-e15b-0f18672508c5"
      },
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "movie_id                                                  440\n",
              "title                             Aliens vs Predator: Requiem\n",
              "tags        a sequel to 2004' alien vs. predator, the icon...\n",
              "Name: 1216, dtype: object"
            ]
          },
          "metadata": {},
          "execution_count": 91
        }
      ]
    },
    {
      "cell_type": "markdown",
      "source": [
        "## Exporting the Model"
      ],
      "metadata": {
        "id": "6S1uQYyQv__u"
      }
    },
    {
      "cell_type": "code",
      "source": [
        "import pickle"
      ],
      "metadata": {
        "id": "SfXjUkZ7Tvdv"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "pickle.dump(new_df,open('movies.pkl','wb'))"
      ],
      "metadata": {
        "id": "GZQnyq1AZSGx"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "pickle.dump(new_df.to_dict(),open('movie_dict.pkl','wb'))"
      ],
      "metadata": {
        "id": "eiQ-IgmVZZSv"
      },
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "pickle.dump(similarity,open('similarity.pkl','wb'))"
      ],
      "metadata": {
        "id": "96J2Ke84adA3"
      },
      "execution_count": null,
      "outputs": []
    }
  ]
}