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Apache Spark Deep Learning Cookbook

You're reading from   Apache Spark Deep Learning Cookbook Over 80 best practice recipes for the distributed training and deployment of neural networks using Keras and TensorFlow

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Product type Paperback
Published in Jul 2018
Publisher Packt
ISBN-13 9781788474221
Length 474 pages
Edition 1st Edition
Languages
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Authors (2):
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Ahmed Sherif Ahmed Sherif
Author Profile Icon Ahmed Sherif
Ahmed Sherif
Amrith Ravindra Amrith Ravindra
Author Profile Icon Amrith Ravindra
Amrith Ravindra
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Toc

Table of Contents (15) Chapters Close

Preface 1. Setting Up Spark for Deep Learning Development FREE CHAPTER 2. Creating a Neural Network in Spark 3. Pain Points of Convolutional Neural Networks 4. Pain Points of Recurrent Neural Networks 5. Predicting Fire Department Calls with Spark ML 6. Using LSTMs in Generative Networks 7. Natural Language Processing with TF-IDF 8. Real Estate Value Prediction Using XGBoost 9. Predicting Apple Stock Market Cost with LSTM 10. Face Recognition Using Deep Convolutional Networks 11. Creating and Visualizing Word Vectors Using Word2Vec 12. Creating a Movie Recommendation Engine with Keras 13. Image Classification with TensorFlow on Spark 14. Other Books You May Enjoy

Applying the deep learning model with Keras


At this point, we are ready to apply Keras to our data.

Getting ready

We will be using the following from Keras:

  • from keras.models import Sequential
  • from keras.layers import Dense, Activation

How to do it...

This section walks through the following steps to apply a deep learning model, using Keras on our dataset:

  1. Import the following libraries to build a Sequential model from keras, using the following script:
from keras.models import Sequential
from keras.layers import Dense, Activation
  1. Configure the Sequential model from keras, using the following script:
model = Sequential()
model.add(Dense(32, activation='relu', input_dim=xtrain_array.shape[1]))
model.add(Dense(10, activation='relu'))
model.add(Dense(ytrain_OHE.shape[1], activation='softmax'))
model.compile(optimizer='adam', loss='categorical_crossentropy', metrics=['accuracy'])
  1. We fit and train the model and store the results to a variable called accuracy_history, using the following script:
accuracy_history...
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