Class BallSplitter

    • Constructor Detail

      • BallSplitter

        public BallSplitter()
        default constructor.
      • BallSplitter

        public BallSplitter​(int[] instList,
                            Instances insts,
                            EuclideanDistance e)
        Creates a new instance of BallSplitter.
        Parameters:
        instList - The master index array.
        insts - The instances on which the tree is (or is to be) built.
        e - The Euclidean distance function to use for splitting.
    • Method Detail

      • listOptions

        public java.util.Enumeration listOptions()
        Returns an enumeration describing the available options.
        Specified by:
        listOptions in interface OptionHandler
        Returns:
        an enumeration of all the available options.
      • setOptions

        public void setOptions​(java.lang.String[] options)
                        throws java.lang.Exception
        Parses a given list of options.
        Specified by:
        setOptions in interface OptionHandler
        Parameters:
        options - the list of options as an array of strings
        Throws:
        java.lang.Exception - if an option is not supported
      • getOptions

        public java.lang.String[] getOptions()
        Gets the current settings of the object.
        Specified by:
        getOptions in interface OptionHandler
        Returns:
        an array of strings suitable for passing to setOptions
      • splitNode

        public abstract void splitNode​(BallNode node,
                                       int numNodesCreated)
                                throws java.lang.Exception
        Splits a node into two.
        Parameters:
        node - The node to split.
        numNodesCreated - The number of nodes that so far have been created for the tree, so that the newly created nodes are assigned correct/meaningful node numbers/ids.
        Throws:
        java.lang.Exception - If there is some problem in splitting the given node.
      • setInstances

        public void setInstances​(Instances inst)
        Sets the training instances on which the tree is (or is to be) built.
        Parameters:
        inst - The training instances.
      • setInstanceList

        public void setInstanceList​(int[] instList)
        Sets the master index array containing indices of the training instances. This array will be rearranged as the tree is built (or a node is split_), so that each node is assigned a portion in this array which contain the instances insides the node's region.
        Parameters:
        instList - The master index array.
      • setEuclideanDistanceFunction

        public void setEuclideanDistanceFunction​(EuclideanDistance func)
        Sets the distance function used to (or to be used to) build the tree.
        Parameters:
        func - The distance function.
      • getRevision

        public java.lang.String getRevision()
        Returns the revision string.
        Specified by:
        getRevision in interface RevisionHandler
        Returns:
        the revision