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Statistics for Machine Learning

You're reading from   Statistics for Machine Learning Techniques for exploring supervised, unsupervised, and reinforcement learning models with Python and R

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Product type Paperback
Published in Jul 2017
Publisher Packt
ISBN-13 9781788295758
Length 442 pages
Edition 1st Edition
Languages
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Author (1):
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Pratap Dangeti Pratap Dangeti
Author Profile Icon Pratap Dangeti
Pratap Dangeti
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Table of Contents (10) Chapters Close

Preface 1. Journey from Statistics to Machine Learning FREE CHAPTER 2. Parallelism of Statistics and Machine Learning 3. Logistic Regression Versus Random Forest 4. Tree-Based Machine Learning Models 5. K-Nearest Neighbors and Naive Bayes 6. Support Vector Machines and Neural Networks 7. Recommendation Engines 8. Unsupervised Learning 9. Reinforcement Learning

Support vector machines working principles


Support vector machines are mainly classified into three types based on their working principles:

  • Maximum margin classifiers
  • Support vector classifiers
  • Support vector machines

Maximum margin classifier

People usually generalize support vector machines with maximum margin classifiers. However, there is much more to present in SVMs compared to maximum margin classifiers, which we will be covering in this chapter. It is feasible to draw infinite hyperplanes to classify the same set of data upon, but the million dollar question, is which one to consider as an ideal hyperplane? The maximum margin classifier provides an answer to that: the hyperplane with the maximum margin of separation width.

Hyperplanes: Before going forward, let us quickly review what a hyperplane is. In n-dimensional space, a hyperplane is a flat affine subspace of dimension n-1. This means, in 2-dimensional space, the hyperplane is a straight line which separates the 2-dimensional space...

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