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<p>You can download the code and the data below. We suggest you to download both and put them in the same folder . We will be explaining afterwards in each model which part of the codes matches with each part of wide + deep learning model .
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Once you have it downloaded into your computer, you can play with it . </p>
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<h2class="checklist">CodeLab Structure</h2>
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<ul>
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<imgsrc="Download_thecodelab.jpg" alt="network">
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<li>Download the code and the data_set and put it on a folder. It should contain the file wide+deep_Tensorflow_GOT and the file GOT_data.csv </li>
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<li>Open the file and change the path in your dataset : data_set = ‘your_path_here’ </li>
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<li>In console, execute the program :~ $ python 'program' --training_mode learn_runner --model_dir /Base directory for output models --model_type 'wide_n_deep' --steps 200</li>
<p> During the next session we will explain the architecture of the Wid+Deep learning model having into consideration the published paper by Google. We also recommend the <ahref="https://www.youtube.com/watch?v=NV1tkZ9Lq48&list=PLOU2XLYxmsIKGc_NBoIhTn2Qhraji53cv&index=17" target="_blank" rel="noopener">talk</a> given by Heng-Tze Cheng at Tensorflow Dev Summit 2017 . </p>
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<imgsrc="Wide+DeepLearning.gif" alt="network">
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<imgsrc="Wide+DeepLearning.gif" alt="network">
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<p> Image from wide+deep tutorial </p>
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<p> The aim of this model is to combine the benefits of memorization+generalization models, in wich wide model is directly relevant to features and deep model improves the diversity of recommended systems.
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The abstraction of concepts in this text comes from the paper wide + deep learning for recommender systems <ahref="https://arxiv.org/pdf/1606.07792.pdf" target="_blank" rel="noopener">paper</a></p>
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<p>With less feature engineering, deep neural networks can generalize better to unseen feature combinations through low-dimensional dense embeddings learned for the sparse features. However, deep neural networks with embeddings can over-generalize
<p>Generalization - Deep Model- the model is a Feedfoward neural network that works with categorical features . there exist Transitivity of correlation and explores feature combinations that have never or rarely occurred in the past. It improves the diversity of recommended items . This generalization can be added by using features that are less granular .
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So at the end this model is great for combining two different models of classification using neural Networks. You can see how this model has been working with </p>
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<h2>Deep layer</h2>
@@ -307,7 +314,7 @@ <h2>Conclusions</h2>
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<p>Take this feedback form to tell us more about how useful it was and dig into it if you want to know more </p>
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<imgsrc="5_Comic.png" alt="TensorFlow Game of Thrones">
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<p>Code and Review : </p><ahref="https://github.com/ssaavedra" target="_blank" rel="noopener">Santiago Saavedra</a>
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