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Machine Learning Quick Reference

Machine Learning Quick Reference

By : Kumar
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Machine Learning Quick Reference

Machine Learning Quick Reference

By: Kumar

Overview of this book

Machine learning makes it possible to learn about the unknowns and gain hidden insights into your datasets by mastering many tools and techniques. This book guides you to do just that in a very compact manner. After giving a quick overview of what machine learning is all about, Machine Learning Quick Reference jumps right into its core algorithms and demonstrates how they can be applied to real-world scenarios. From model evaluation to optimizing their performance, this book will introduce you to the best practices in machine learning. Furthermore, you will also look at the more advanced aspects such as training neural networks and work with different kinds of data, such as text, time-series, and sequential data. Advanced methods and techniques such as causal inference, deep Gaussian processes, and more are also covered. By the end of this book, you will be able to train fast, accurate machine learning models at your fingertips, which you can easily use as a point of reference.
Table of Contents (13 chapters)
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Network initialization


So far, we have seen that there are a number of stages in a neural network model. We already know that weight exists between two nodes (of two different layers). The weights undergo a linear transformation and, along with values from input nodes, it crosses through nonlinear activation function in order to yield the value of the next layer. It gets repeated for the next and subsequent layers and later on, with the help of backpropagation, optimal values of weights are found out.

For a long time, weights used to get randomly initialized. Later on, it was realized that the way we initialize the network has a massive impact on the model. Let's see how we initialize the model:

  • Zero initialization: In this kind of initialization, all the initial weights are set to zero. Due to this, all the neurons of all the layers perform the same calculation, which results in producing the same output. It will make the whole deep network futile. Predictions coming out of this network would...
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Machine Learning Quick Reference
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