Assume that we are allowed to reject an input as unrecognizable in a pattern-classification task. For an
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Assume that we are allowed to reject an input as unrecognizable in a pattern-classification task. For an input x belonging to class !, we can define a new loss function for any decision rule g¹xº as follows:
where r 2 ¹0, 1º is the loss incurred for choosing a rejection action. Derive the optimal decision rule for this three-way loss function.
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Machine Learning Fundamentals A Concise Introduction
ISBN: 9781108940023
1st Edition
Authors: Hui Jiang
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