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

Interface Metric<L>

Type Parameters:

L - Type of a label (truth or prediction).

All Known Implementing Classes:

AbstractMetrics, Accuracy, BinaryClassificationMetrics, ClassMetric, Fmeasure, Precision, Recall, RegressionMetrics, ROCAUC

public interface Metric<L>

Base interface for score calculators.

Method Summary

Modifier and Type	Method and Description
String	name() Returns the metric's name.
double	score(Iterator<LabelPair<L>> iter) Calculates score.

Method Detail

score

double score(Iterator<LabelPair<L>> iter)

Calculates score.

Parameters:

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

Returns:

Score.

name

String name()

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

Returns:

String name representation.