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Advanced Data Analytics Using Python_ With Machine Learning, Deep Learning and NLP Examples ( 2023)

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Table of Contents

Chapter 5: Deep Learning and Neural Networks99

viii

Backpropagation100

Backpropagation Approach100

Generalized Delta Rule100

Update of Output Layer Weights101

Update of Hidden Layer Weights102

BPN Summary103

Backpropagation Algorithm104

Other Algorithms106

TensorFlow106

Recurrent Neural Network113

Chapter 6: Time Series121

Classification of Variation121

Analyzing a Series Containing a Trend121

Curve Fitting122

Removing Trends from a Time Series123

Analyzing a Series Containing Seasonality124

Removing Seasonality from a Time Series125

By Filtering125

By Differencing126

Transformation126

To Stabilize the Variance126

To Make the Seasonal Effect Additive127

To Make the Data Distribution Normal127

Stationary Time Series128

Stationary Process128

Autocorrelation and the Correlogram129

Estimating Autocovariance and Autocorrelation Functions129

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