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PRTools User Guide

getcost

GETCOST

Get classification cost matrix

   [COST,LABLIST] = GETCOST(A)

Returns the classification cost matrix as defined for the dataset A.  An empty cost matrix is interpreted as equal costs for misclassification.  In that case COST = ONES(C+1) - EYE(C+1) is returned, if C is the number  of classes. Row C+1 and column C+1 in COST refer to unlabeld objects.  In LABLIST the class labels are returned.

If A has target labels an error is returned as in that case no classes  and thereby no costs are defined.

See DATASETS

PRTools Contents

PRTools User Guide

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