hex

Class ConfusionMatrix

java.lang.Object

water.Iced

hex.ConfusionMatrix

All Implemented Interfaces:

java.lang.Cloneable, Freezable

public final class ConfusionMatrix
extends Iced

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ConfusionMatrix.ErrMetric

Field Summary

Fields

Modifier and Type	Field and Description
long[][]	_arr
double[]	_classErr
double	_predErr
static DocGen.FieldDoc[]	DOC_FIELDS

Constructor Summary

Constructors

Constructor and Description
ConfusionMatrix(int n)
ConfusionMatrix(long[][] value)

Method Summary

Methods

Modifier and Type	Method and Description
void	add(ConfusionMatrix other)
void	add(int i, int j)
double[]	classErr()
double	classErr(int c)
ConfusionMatrix	clone()
double	err()
double	precisionAndRecall()
static double	precisionAndRecall(long[][] cm) Returns the F-measure which combines precision and recall.
int	size()
com.google.gson.JsonArray	toJson()
java.lang.String	toString()

Methods inherited from class water.Iced

frozenType, init, newInstance, read, toDocField, write, writeJSON, writeJSONFields

Methods inherited from class java.lang.Object

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

Field Detail

DOC_FIELDS

public static DocGen.FieldDoc[] DOC_FIELDS

_arr

public long[][] _arr

_classErr

public final double[] _classErr

_predErr

public final double _predErr

Constructor Detail

ConfusionMatrix

public ConfusionMatrix(int n)

ConfusionMatrix

public ConfusionMatrix(long[][] value)

Method Detail

clone

public ConfusionMatrix clone()

Overrides:

clone in class Iced

add

public void add(int i,
       int j)

classErr

public final double[] classErr()

size

public final int size()

classErr

public final double classErr(int c)

err

public double err()

add

public void add(ConfusionMatrix other)

precisionAndRecall

public double precisionAndRecall()

precisionAndRecall

public static double precisionAndRecall(long[][] cm)

Returns the F-measure which combines precision and recall.
C.f. end of http://en.wikipedia.org/wiki/Precision_and_recall.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

toJson

public com.google.gson.JsonArray toJson()