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  • Book Overview & Buying Deep Learning from the Basics
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Deep Learning from the Basics

Deep Learning from the Basics

By : Koki Saitoh, Shigeo Yushita
4.5 (15)
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Deep Learning from the Basics

Deep Learning from the Basics

4.5 (15)
By: Koki Saitoh, Shigeo Yushita

Overview of this book

Deep learning is rapidly becoming the most preferred way of solving data problems. This is thanks, in part, to its huge variety of mathematical algorithms and their ability to find patterns that are otherwise invisible to us. Deep Learning from the Basics begins with a fast-paced introduction to deep learning with Python, its definition, characteristics, and applications. You’ll learn how to use the Python interpreter and the script files in your applications, and utilize NumPy and Matplotlib in your deep learning models. As you progress through the book, you’ll discover backpropagation—an efficient way to calculate the gradients of weight parameters—and study multilayer perceptrons and their limitations, before, finally, implementing a three-layer neural network and calculating multidimensional arrays. By the end of the book, you’ll have the knowledge to apply the relevant technologies in deep learning.
Table of Contents (11 chapters)
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Validating Hyperparameters

A neural network uses many hyperparameters, as well as parameters such as weights and biases. The hyperparameters here include the number of neurons in each layer, batch size, the learning rate for updating parameters, and weight decay. Setting the hyperparameters to inappropriate values deteriorates the performance of the model. The values of these hyperparameters are very important, but determining them usually requires a lot of trial and error. This section describes how to search for hyperparameter values as efficiently as possible.

Validation Data

In the dataset we've used so far, the training data and test data are separate. The training data is used to train a network, while the test data is used to evaluate generalization performance. Thus, you can determine whether or not the network conforms too well only to the training data (that is, whether overfitting occurs) and how large the generalization performance is.

We will use various...

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Deep Learning from the Basics
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