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Author: Pankaj-Str

00 Examples/lecture08/July 24 2025/Pandas_m.ipynb

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+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "97177ccf",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import pandas as pd\n",
+    "import numpy as np"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "id": "8cf560c1",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "DataFrame from dictionary:\n",
+      "    Product  Price\n",
+      "P1   Apple   1.00\n",
+      "P2  Banana   0.50\n",
+      "P3  Orange   0.75\n"
+     ]
+    }
+   ],
+   "source": [
+    "# From a dictionary\n",
+    "data = {\n",
+    "    'Product': ['Apple', 'Banana', 'Orange'], \n",
+    "    'Price': [1.0, 0.5, 0.75]\n",
+    "    }\n",
+    "indexx = ['P1', 'P2', 'P3']\n",
+    "df = pd.DataFrame(data, index=indexx)\n",
+    "print(\"DataFrame from dictionary:\\n\", df)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 14,
+   "id": "d80bd1cf",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Merged DataFrame:\n",
+      "   Product  Price Region\n",
+      "0   Apple   1.00  North\n",
+      "1  Banana   0.50  South\n",
+      "2   Books    NaN  North\n",
+      "3  Orange   0.75    NaN\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Creating another DataFrame\n",
+    "data2 = {\n",
+    "    'Product': ['Apple', 'Banana','Books'], \n",
+    "    'Region': ['North', 'South','North']\n",
+    "    }\n",
+    "df2 = pd.DataFrame(data2)\n",
+    "\n",
+    "# Merging DataFrames\n",
+    "merged = pd.merge(df, df2, on='Product', how='outer')\n",
+    "print(\"Merged DataFrame:\\n\", merged)\n",
+    "# how{‘left’, ‘right’, ‘outer’, ‘inner’, ‘cross’}, default ‘inner’"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.11.4"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}