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Python Machine Learning By Example
book

Python Machine Learning By Example

by Yuxi (Hayden) Liu, Ivan Idris
May 2017
Beginner to intermediate content levelBeginner to intermediate
254 pages
6h 24m
English
Packt Publishing
Content preview from Python Machine Learning By Example

Scenario 4 - dealing with more than two classes

SVM and many other classifiers can be generalized to the multiple class case by two common approaches, one-vs-rest (also called one-vs-all) and one-vs-one.

In the one-vs-rest setting, for a K-class problem, it constructs K different binary SVM classifiers. For the classifier, it treats the class as the positive case and the rest classes as the negative case as a whole; the hyperplane denoted as ...

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Publisher Resources

ISBN: 9781783553112Supplemental Content