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,