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

static class

ConfusionMatrix.ErrMetric

Field Summary

long[][]	_arr
static DocGen.FieldDoc[]	DOC_FIELDS

Constructor Summary

ConfusionMatrix(int n)

ConfusionMatrix(long[][] value)

Method Summary

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

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()