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Deep Learning for Time Series Cookbook

Deep Learning for Time Series Cookbook

By : Cerqueira, Luís Roque
4.8 (10)
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Deep Learning for Time Series Cookbook

Deep Learning for Time Series Cookbook

4.8 (10)
By: Cerqueira, Luís Roque

Overview of this book

Most organizations exhibit a time-dependent structure in their processes, including fields such as finance. By leveraging time series analysis and forecasting, these organizations can make informed decisions and optimize their performance. Accurate forecasts help reduce uncertainty and enable better planning of operations. Unlike traditional approaches to forecasting, deep learning can process large amounts of data and help derive complex patterns. Despite its increasing relevance, getting the most out of deep learning requires significant technical expertise. This book guides you through applying deep learning to time series data with the help of easy-to-follow code recipes. You’ll cover time series problems, such as forecasting, anomaly detection, and classification. This deep learning book will also show you how to solve these problems using different deep neural network architectures, including convolutional neural networks (CNNs) or transformers. As you progress, you’ll use PyTorch, a popular deep learning framework based on Python to build production-ready prediction solutions. By the end of this book, you'll have learned how to solve different time series tasks with deep learning using the PyTorch ecosystem.
Table of Contents (12 chapters)
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Training an LSTM neural network

RNNs suffer from a fundamental problem of “vanishing gradients” where, due to the nature of backpropagation in neural networks, the influence of earlier inputs on the overall error diminishes drastically as the sequence gets longer. This is especially problematic in sequence processing tasks where long-term dependencies exist (i.e., future outputs depend on much earlier inputs).

Getting ready

LSTM networks were introduced to overcome this problem. They use a more complex internal structure for each of their cells compared to RNNs. Specifically, an LSTM has the ability to decide which information to discard or to store based on an internal structure called a cell. This cell uses gates (input, forget, and output gates) to control the flow of information into and out of the cell. This helps maintain and manipulate the “long-term” information, thereby mitigating the vanishing gradient problem.

How to do it…

...

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