Package elki.svm.data

Class DoubleWeightedDataSet

  • All Implemented Interfaces:
    DataSet
    public class DoubleWeightedDataSet
extends java.lang.Object
implements DataSet
    This is an efficient array based data set implementation.
    Since:
    0.8.0
    Author:
    Erich Schubert

    • Field Summary

      Fields 
      Modifier and Type Field Description
      (package private) int[] idx  
      (package private) DataSet inner  
      (package private) int size  
      (package private) double[] weight  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void add​(int v, double w)  
      int classnum​(int i)
      Get the class number of the ith element.
      void clear()  
      double similarity​(int i, int j)
      Get the ith element.
      int size()
      Size of data set.
      void swap​(int i, int j)
      Swap two elements.
      double value​(int i)
      Get the value of the ith element.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • idx

        int[] idx

      • weight

        double[] weight

      • size

        int size

    • Constructor Detail

      • DoubleWeightedDataSet

        public DoubleWeightedDataSet​(DataSet inner,
                             int size)

    • Method Detail

      • similarity

        public double similarity​(int i,
                         int j)
        Description copied from interface: DataSet
        Get the ith element.
        Specified by:
        similarity in interface DataSet
        Parameters:
        i - Element offset
        j - Element offset
        Returns:
        Element

      • size

        public int size()
        Description copied from interface: DataSet
        Size of data set.
        Specified by:
        size in interface DataSet
        Returns:
        Data set size.

      • value

        public double value​(int i)
        Description copied from interface: DataSet
        Get the value of the ith element.
        Specified by:
        value in interface DataSet
        Parameters:
        i - Element offset
        Returns:
        Value

      • classnum

        public int classnum​(int i)
        Description copied from interface: DataSet
        Get the class number of the ith element.
        Specified by:
        classnum in interface DataSet
        Parameters:
        i - Element offset
        Returns:
        Class number

      • swap

        public void swap​(int i,
                 int j)
        Description copied from interface: DataSet
        Swap two elements.
        Specified by:
        swap in interface DataSet
        Parameters:
        i - First position
        j - Second position

      • add

        public void add​(int v,
                double w)

      • clear

        public void clear()