Class EntropySplitCrit

  • All Implemented Interfaces:
    java.io.Serializable, RevisionHandler

    public final class EntropySplitCrit
    extends EntropyBasedSplitCrit
    Class for computing the entropy for a given distribution.
    Version:
    $Revision: 1.8 $
    Author:
    Eibe Frank (eibe@cs.waikato.ac.nz)
    See Also:
    Serialized Form
    • Constructor Detail

      • EntropySplitCrit

        public EntropySplitCrit()
    • Method Detail

      • splitCritValue

        public final double splitCritValue​(Distribution bags)
        Computes entropy for given distribution.
        Overrides:
        splitCritValue in class SplitCriterion
        Returns:
        value of splitting criterion. 0 by default
      • splitCritValue

        public final double splitCritValue​(Distribution train,
                                           Distribution test)
        Computes entropy of test distribution with respect to training distribution.
        Overrides:
        splitCritValue in class SplitCriterion
        Returns:
        value of splitting criterion. 0 by default
      • getRevision

        public java.lang.String getRevision()
        Returns the revision string.
        Returns:
        the revision