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Old 04-22-2012, 07:51 PM
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htlin htlin is offline
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Join Date: Aug 2009
Location: Taipei, Taiwan
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Default Re: Perceptron Learning Algorithm

Quote:
Originally Posted by jmknapp View Post
How is the PLA generalized to handling multi-category classification, e.g., the problem of classifying coins?
Interesting question. There are general techniques for extending from binary classification to K-category one. For instance, one simple approach (one-versus-all decomposition) is to form the following yes/no questions: "Does an example belong to category k or not?" If the machine learns K hypotheses that answer each of the K questions correctly, you can combine the answers to form a multi-category prediction. Hope this helps.
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