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PRTools manual

featselv

FEATSELV

Varying feature selection

  W = FEATSELV(A)
  W = A*FEATSELV

Selects all features with a non-zero variance.  Classifiers can be trained like A*(FEATSELV*LDC([],1E-3)) to make  use of this feature selection

See also

mappings, datasets, feateval, featselo, featselb, featself,

 FEATSEL, FEATSELP, FEATSELM, FEATSELI

PRTools contents

PRTools manual