hex.tree.dt

Class CompressedDT

java.lang.Object

water.Iced<T>

water.Keyed<CompressedDT>

hex.tree.dt.CompressedDT

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, water.Freezable<CompressedDT>

public class CompressedDT
extends water.Keyed<CompressedDT>

Compressed DT class containing tree as array.

See Also:

Serialized Form

Field Summary

Fields inherited from class water.Keyed

_key

Constructor Summary

Constructors

Constructor and Description
CompressedDT(AbstractCompressedNode[] nodes, int leavesCount)

Method Summary

Modifier and Type	Method and Description
int	extractRulesStartingWithNode(int nodeIndex, java.lang.String actualRule, int nextFreeSpot)
java.lang.String[]	getListOfRules()
AbstractCompressedNode[]	getNodes()
DTPrediction	predictRowStartingFromNode(double[] rowValues, int actualNodeIndex, java.lang.String ruleExplanation) Makes prediction by recursively evaluating the data through the tree.
java.lang.String	toString()

Methods inherited from class water.Keyed

checksum_impl, checksum_impl, checksum, checksum, getKey, makeSchema, readAll_impl, readAll, remove_impl, remove_impl, remove_self_key_impl, remove, remove, remove, remove, remove, remove, removeQuietly, writeAll_impl, writeAll

Methods inherited from class water.Iced

asBytes, clone, copyOver, frozenType, read, readExternal, readJSON, reloadFromBytes, toJsonBytes, toJsonString, write, writeExternal, writeJSON

Methods inherited from class java.lang.Object

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

Constructor Detail

CompressedDT

public CompressedDT(AbstractCompressedNode[] nodes,
                    int leavesCount)

Method Detail

predictRowStartingFromNode

public DTPrediction predictRowStartingFromNode(double[] rowValues,
                                               int actualNodeIndex,
                                               java.lang.String ruleExplanation)

Makes prediction by recursively evaluating the data through the tree.

Parameters:

rowValues - - data row to find prediction for

actualNodeIndex - - actual node to evaluate and then go to selected child

Returns:

class label

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

extractRulesStartingWithNode

public int extractRulesStartingWithNode(int nodeIndex,
                                        java.lang.String actualRule,
                                        int nextFreeSpot)

getListOfRules

public java.lang.String[] getListOfRules()

getNodes

public AbstractCompressedNode[] getNodes()