Class AttributeStats

  • All Implemented Interfaces:
    java.io.Serializable

    public class AttributeStats
    extends java.lang.Object
    implements java.io.Serializable
    A Utility class that contains summary information on an the values that appear in a dataset for a particular attribute.
    Version:
    $Revision: 1.7 $
    Author:
    Len Trigg
    See Also:
    Serialized Form
    • Field Summary

      Fields 
      Modifier and Type Field Description
      int distinctCount
      The number of distinct values
      int intCount
      The number of int-like values
      int missingCount
      The number of missing values
      int[] nominalCounts
      Counts of each nominal value
      weka.experiment.Stats numericStats
      Stats on numeric value distributions
      int realCount
      The number of real-like values (i.e.
      int totalCount
      The total number of values (i.e.
      int uniqueCount
      The number of values that only appear once
    • Constructor Summary

      Constructors 
      Constructor Description
      AttributeStats()  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected void addDistinct​(double value, int count)
      Updates the counters for one more observed distinct value.
      java.lang.String toString()
      Returns a human readable representation of this AttributeStats instance.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
    • Field Detail

      • intCount

        public int intCount
        The number of int-like values
      • realCount

        public int realCount
        The number of real-like values (i.e. have a fractional part)
      • missingCount

        public int missingCount
        The number of missing values
      • distinctCount

        public int distinctCount
        The number of distinct values
      • uniqueCount

        public int uniqueCount
        The number of values that only appear once
      • totalCount

        public int totalCount
        The total number of values (i.e. number of instances)
      • numericStats

        public weka.experiment.Stats numericStats
        Stats on numeric value distributions
      • nominalCounts

        public int[] nominalCounts
        Counts of each nominal value
    • Constructor Detail

      • AttributeStats

        public AttributeStats()
    • Method Detail

      • addDistinct

        protected void addDistinct​(double value,
                                   int count)
        Updates the counters for one more observed distinct value.
        Parameters:
        value - the value that has just been seen
        count - the number of times the value appeared
      • toString

        public java.lang.String toString()
        Returns a human readable representation of this AttributeStats instance.
        Overrides:
        toString in class java.lang.Object
        Returns:
        a String represtinging these AttributeStats.