tech.tablesaw.api.ml.classification

Class CategoryConfusionMatrix

java.lang.Object

tech.tablesaw.api.ml.classification.CategoryConfusionMatrix

All Implemented Interfaces:

ConfusionMatrix

public class CategoryConfusionMatrix
extends Object
implements ConfusionMatrix

A confusion matrix is used to measure the accuracy of a classifier by counting the number of correct and incorrect values produced when testing the classifier such that the counts are made for every combination of correct and incorrect classification

Constructor Summary

Constructors

Constructor and Description
CategoryConfusionMatrix(CategoryColumn labelColumn, SortedSet<String> labels)

Method Summary

Modifier and Type	Method and Description
double	accuracy()
void	increment(Integer predicted, Integer actual)
String	toString()
Table	toTable()

Methods inherited from class java.lang.Object

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

Constructor Detail

CategoryConfusionMatrix

public CategoryConfusionMatrix(CategoryColumn labelColumn,
                               SortedSet<String> labels)

Method Detail

increment

public void increment(Integer predicted,
                      Integer actual)

Specified by:

increment in interface ConfusionMatrix

toString

public String toString()

Specified by:

toString in interface ConfusionMatrix

Overrides:

toString in class Object

toTable

public Table toTable()

Specified by:

toTable in interface ConfusionMatrix

accuracy

public double accuracy()

Specified by:

accuracy in interface ConfusionMatrix