org.neuroph.eval.classification

Class ConfusionMatrix

java.lang.Object

org.neuroph.eval.classification.ConfusionMatrix

public class ConfusionMatrix
extends Object

Confusion matrix container, holds class labels and matrix values .

Constructor Summary

Constructors

Constructor and Description
ConfusionMatrix(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)
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
void	setValues(int[][] value)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ConfusionMatrix

public ConfusionMatrix(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

setValues

public void setValues(int[][] value)

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 String toString()

Overrides:

toString in class 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 String[] getClassLabels()

getTotal

public int getTotal()

get

public int get(int x,
               int y)