hex.rf

Class Data

java.lang.Object

hex.rf.Data

All Implemented Interfaces:

java.lang.Iterable<Data.Row>

public class Data
extends java.lang.Object
implements java.lang.Iterable<Data.Row>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	Data.Row

Field Summary

Fields

Modifier and Type	Field and Description
protected hex.rf.DataAdapter	_dapt

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Data(hex.rf.DataAdapter dapt)

Method Summary

Methods

Modifier and Type	Method and Description
int	classes()
double[]	classWt()
Data	clone()
int	colMaxIdx(int i)
int	colMinIdx(int i)
java.lang.String	colName(int i)
int	columnArity(int colIndex)
int	columns()
Data	complement(Data parent, short[] complement)
long	dataId()
protected int	end()
void	filter(hex.rf.Tree.SplitNode node, Data[] result, hex.rf.Statistic ls, hex.rf.Statistic rs)
protected int[]	getPermutationArray()
boolean	isFloat(int col)
boolean	isIgnored(int col)
java.util.Iterator<Data.Row>	iterator()
static Data	make(hex.rf.DataAdapter da) Returns new Data object that stores all adapter's rows unchanged.
protected int	permute(int idx)
int	rows()
Data	sampleWithReplacement(double bagSizePct, short[] complement)
long	seed()
protected int	start()
float	unmap(int col, int split)
int	unmapClass(int clazz) Transforms given binned index (short) into 0..N-1 corresponding to predictor class

Methods inherited from class java.lang.Object

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

Field Detail

_dapt

protected final hex.rf.DataAdapter _dapt

Constructor Detail

Data

protected Data(hex.rf.DataAdapter dapt)

Method Detail

make

public static Data make(hex.rf.DataAdapter da)

Returns new Data object that stores all adapter's rows unchanged.

start

protected int start()

end

protected int end()

rows

public final int rows()

columns

public final int columns()

classes

public final int classes()

seed

public final long seed()

dataId

public final long dataId()

colName

public final java.lang.String colName(int i)

unmap

public final float unmap(int col,
          int split)

columnArity

public final int columnArity(int colIndex)

unmapClass

public final int unmapClass(int clazz)

Transforms given binned index (short) into 0..N-1 corresponding to predictor class

isFloat

public final boolean isFloat(int col)

classWt

public final double[] classWt()

isIgnored

public final boolean isIgnored(int col)

iterator

public final java.util.Iterator<Data.Row> iterator()

Specified by:

iterator in interface java.lang.Iterable<Data.Row>

filter

public void filter(hex.rf.Tree.SplitNode node,
          Data[] result,
          hex.rf.Statistic ls,
          hex.rf.Statistic rs)

sampleWithReplacement

public Data sampleWithReplacement(double bagSizePct,
                         short[] complement)

complement

public Data complement(Data parent,
              short[] complement)

clone

public Data clone()

Overrides:

clone in class java.lang.Object

permute

protected int permute(int idx)

getPermutationArray

protected int[] getPermutationArray()

colMinIdx

public int colMinIdx(int i)

colMaxIdx

public int colMaxIdx(int i)