Class ReferenceInstances

java.lang.Object
weka.core.Instances
weka.classifiers.trees.adtree.ReferenceInstances
All Implemented Interfaces:
Serializable, RevisionHandler

public class ReferenceInstances extends Instances
Simple class that extends the Instances class making it possible to create subsets of instances that reference their source set. Is used by ADTree to make reweighting of instances easy to manage.
Version:
$Revision: 1.5 $
Author:
Richard Kirkby (rkirkby@cs.waikato.ac.nz)
See Also:
  • Constructor Details

    • ReferenceInstances

      public ReferenceInstances(Instances dataset, int capacity)
      Creates an empty set of instances.
      Parameters:
      dataset - the instances to get the header information from
      capacity - the initial storage capacity of the set
  • Method Details

    • addReference

      public final void addReference(Instance instance)
      Adds one instance reference to the end of the set. Does not copy instance before it is added. Increases the size of the dataset if it is not large enough. Does not check if the instance is compatible with the dataset.
      Parameters:
      instance - the instance to be added
    • getRevision

      public String getRevision()
      Returns the revision string.
      Specified by:
      getRevision in interface RevisionHandler
      Overrides:
      getRevision in class Instances
      Returns:
      the revision