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  • Book Overview & Buying TensorFlow Machine Learning Cookbook
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TensorFlow Machine Learning Cookbook

TensorFlow Machine Learning Cookbook

By : Nick McClure
3.7 (18)
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TensorFlow Machine Learning Cookbook

TensorFlow Machine Learning Cookbook

3.7 (18)
By: Nick McClure

Overview of this book

TensorFlow is an open source software library for Machine Intelligence. The independent recipes in this book will teach you how to use TensorFlow for complex data computations and will let you dig deeper and gain more insights into your data than ever before. You’ll work through recipes on training models, model evaluation, sentiment analysis, regression analysis, clustering analysis, artificial neural networks, and deep learning – each using Google’s machine learning library TensorFlow. This guide starts with the fundamentals of the TensorFlow library which includes variables, matrices, and various data sources. Moving ahead, you will get hands-on experience with Linear Regression techniques with TensorFlow. The next chapters cover important high-level concepts such as neural networks, CNN, RNN, and NLP. Once you are familiar and comfortable with the TensorFlow ecosystem, the last chapter will show you how to take it to production.
Table of Contents (13 chapters)
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12
Index

Implementing a Simpler CNN


In this recipe, we will develop a four-layer convolutional neural network to improve upon our accuracy in predicting the MNIST digits. The first two convolution layers will each be compromised of Convolution-ReLU-maxpool operations and the final two layers will be fully connected layers.

Getting ready

To access the MNIST data, TensorFlow has a contrib package that has great dataset loading functionalities. After we load the data, we will setup our model variables, create the model, train the model in batches, and then visualize loss, accuracy, and some sample digits.

How to do it…

  1. First, we'll load the necessary libraries and start a graph session:

    import matplotlib.pyplot as plt
    import numpy as np
    import tensorflow as tf
    from tensorflow.contrib.learn.python.learn.datasets.mnist import read_data_sets
    sess = tf.Session()
  2. Next, we will load the data and transform the images into 28x28 arrays:

    data_dir = 'temp'
    mnist = read_data_sets(data_dir)
    train_xdata = np.array([np...
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TensorFlow Machine Learning Cookbook
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