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remoutl

REMOUTL

Fixed mapping for removing outliers

   B = REMOUTL(A,T,P)
   B = A*REMOUTL([],T,P)
   B = A*REMOUTL(T,P)

Input
 A Dataset
 T Threshold for outlier detection (default 3)
 P Fraction of distances passing T (default 0.10)

Output
 B Dataset

Description

Outliers in A are removed, other objects are copied to B. Class by class  a distance matrix is constructed and objects are removed that have a fraction  P of their distances larger than the average distance in the class + T times  the standard deviation of the within-class distances. This routine works  also on unlabeled datasets. In partially labeled datasets the unlabeled  objects are neglected.

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PRTools User Guide

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