org.neuroph.eval.classification

Class ConfusionMatrix

java.lang.Object

org.neuroph.eval.classification.ConfusionMatrix

public class ConfusionMatrix
extends java.lang.Object

Confusion matrix container, holds class labels and matrix values .

Constructor Summary

Constructors

Constructor and Description
ConfusionMatrix(java.lang.String[] classLabels) Creates new confusion matrix with specified class labels and number of classes

Method Summary

Modifier and Type	Method and Description
int	get(int x, int y)
java.lang.String[]	getClassLabels()
int	getFalseNegative(int clsIdx)
int	getFalsePositive(int clsIdx)
int	getTotal()
int	getTrueNegative(int clsIdx)
int	getTruePositive(int clsIdx)
double	getValueAt(int actual, int predicted) Returns value of confusion matrix at specified position
int[][]	getValues() Returns confusion matrix values as double array
void	incrementElement(int actual, int predicted) Increments matrix value at specified position
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ConfusionMatrix

public ConfusionMatrix(java.lang.String[] classLabels)

Creates new confusion matrix with specified class labels and number of classes

Parameters:

classLabels -

Method Detail

getValues

public int[][] getValues()

Returns confusion matrix values as double array

Returns:

confusion matrix values as double array

getValueAt

public double getValueAt(int actual,
                         int predicted)

Returns value of confusion matrix at specified position

Parameters:

actual - actual idx position

predicted - predicted idx position

Returns:

value of confusion matrix at specified position

incrementElement

public void incrementElement(int actual,
                             int predicted)

Increments matrix value at specified position

Parameters:

actual - class id of correct classification

predicted - class id of predicted classification

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getTruePositive

public int getTruePositive(int clsIdx)

getTrueNegative

public int getTrueNegative(int clsIdx)

getFalsePositive

public int getFalsePositive(int clsIdx)

getFalseNegative

public int getFalseNegative(int clsIdx)

getClassLabels

public java.lang.String[] getClassLabels()

getTotal

public int getTotal()

get

public int get(int x,
               int y)