edu.uci.jforests.dataset

Class NumericArray

java.lang.Object

edu.uci.jforests.dataset.NumericArray

All Implemented Interfaces:

ByteSerializable

Direct Known Subclasses:

BitNumericArray, ByteNumericArray, IntNumericArray, NullNumericArray, ShortNumericArray

public abstract class NumericArray
extends java.lang.Object
implements ByteSerializable

Constructor Summary

Constructors

Constructor and Description
NumericArray(int length)

Method Summary

Modifier and Type	Method and Description
abstract int	get(int index)
abstract int	getBitsPerItem()
int	getLength()
abstract int	getSizeInBytes()
abstract NumericArray	getSubSampleNumericArray(int[] indices)
abstract NumericArrayFactory.NumericArrayType	getType()
void	initHistogram(DecisionHistogram histogram, int numInstancesInLeaf, double[] targets, double[] weights, int[] indices, int[] instances)
void	initHistogram(RegressionHistogram histogram, int numInstancesInLeaf, double[] targets, double[] weights, int[] indices, int[] instances)
abstract int	loadFromByteArray(byte[] arr, int offset)
abstract void	set(int index, int value)
abstract int	toByteArray(byte[] arr, int offset)

Methods inherited from class java.lang.Object

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

Constructor Detail

NumericArray

public NumericArray(int length)

Method Detail

getLength

public int getLength()

getType

public abstract NumericArrayFactory.NumericArrayType getType()

getBitsPerItem

public abstract int getBitsPerItem()

getSizeInBytes

public abstract int getSizeInBytes()

Specified by:

getSizeInBytes in interface ByteSerializable

toByteArray

public abstract int toByteArray(byte[] arr,
                                int offset)

Specified by:

toByteArray in interface ByteSerializable

loadFromByteArray

public abstract int loadFromByteArray(byte[] arr,
                                      int offset)

Specified by:

loadFromByteArray in interface ByteSerializable

get

public abstract int get(int index)

set

public abstract void set(int index,
                         int value)

initHistogram

public void initHistogram(RegressionHistogram histogram,
                          int numInstancesInLeaf,
                          double[] targets,
                          double[] weights,
                          int[] indices,
                          int[] instances)

initHistogram

public void initHistogram(DecisionHistogram histogram,
                          int numInstancesInLeaf,
                          double[] targets,
                          double[] weights,
                          int[] indices,
                          int[] instances)

getSubSampleNumericArray

public abstract NumericArray getSubSampleNumericArray(int[] indices)