org.apache.ignite.ml.selection.scoring.metric.classification

Class ROCAUC

java.lang.Object

org.apache.ignite.ml.selection.scoring.metric.classification.ROCAUC

All Implemented Interfaces:

Metric<Double>

Deprecated.

The ignite-ml module is deprecated and will be removed in a future release. Use the ignite-ml-ext Apache Ignite extension or the standalone GridGain ML package instead.

@Deprecated
public class ROCAUC
extends Object
implements Metric<Double>

ROC AUC score calculator.

The calculation of AUC is based on Mann-Whitney U test (https://en.wikipedia.org/wiki/Mann-Whitney_U_test).

Constructor Summary

Constructors

Constructor and Description
ROCAUC() Deprecated.

Method Summary

Modifier and Type	Method and Description
static double	calculateROCAUC(PriorityQueue<org.apache.commons.math3.util.Pair<Double,Double>> queue, long pos, long neg, double positiveClsLb) Deprecated. Calculates the ROC AUC value based on queue of pairs, amount of positive/negative cases and label of positive class.
String	name() Deprecated. Returns the metric's name.
double	negativeClsLb() Deprecated. Get the negative label.
double	positiveClsLb() Deprecated. Get the positive label.
double	score(Iterator<LabelPair<Double>> iter) Deprecated. Calculates score.
ROCAUC	withNegativeClsLb(double negativeClsLb) Deprecated. Set the negative label.
ROCAUC	withPositiveClsLb(double positiveClsLb) Deprecated. Set the positive label.

Methods inherited from class java.lang.Object

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

Constructor Detail

ROCAUC

public ROCAUC()

Deprecated.

Method Detail

score

public double score(Iterator<LabelPair<Double>> iter)

Deprecated.

Calculates score.

Specified by:

score in interface Metric<Double>

Parameters:

iter - Iterator that supplies pairs of truth values and predicated.

Returns:

Score.

calculateROCAUC

public static double calculateROCAUC(PriorityQueue<org.apache.commons.math3.util.Pair<Double,Double>> queue,
                                     long pos,
                                     long neg,
                                     double positiveClsLb)

Deprecated.

Calculates the ROC AUC value based on queue of pairs, amount of positive/negative cases and label of positive class.

positiveClsLb

public double positiveClsLb()

Deprecated.

Get the positive label.

withPositiveClsLb

public ROCAUC withPositiveClsLb(double positiveClsLb)

Deprecated.

Set the positive label.

negativeClsLb

public double negativeClsLb()

Deprecated.

Get the negative label.

withNegativeClsLb

public ROCAUC withNegativeClsLb(double negativeClsLb)

Deprecated.

Set the negative label.

name

public String name()

Deprecated.

Returns the metric's name. NOTE: Should be unique to calculate multiple metrics correctly.

Specified by:

name in interface Metric<Double>

Returns:

String name representation.