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

Class RegressionMetrics

java.lang.Object

org.apache.ignite.ml.selection.scoring.metric.AbstractMetrics<RegressionMetricValues>

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

All Implemented Interfaces:

Metric<Double>

public class RegressionMetrics
extends AbstractMetrics<RegressionMetricValues>

Regression metrics calculator. It could be used in two ways: to caculate all regression metrics or custom regression metric.

Field Summary

Fields inherited from class org.apache.ignite.ml.selection.scoring.metric.AbstractMetrics

metric

Constructor Summary

Constructors

Constructor and Description
RegressionMetrics()

Method Summary

Modifier and Type	Method and Description
String	name() Returns the metric's name.
RegressionMetricValues	scoreAll(Iterator<LabelPair<Double>> iter) Calculates regression metrics values.

Methods inherited from class org.apache.ignite.ml.selection.scoring.metric.AbstractMetrics

score, withMetric

Methods inherited from class java.lang.Object

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

Constructor Detail

RegressionMetrics

public RegressionMetrics()

Method Detail

scoreAll

public RegressionMetricValues scoreAll(Iterator<LabelPair<Double>> iter)

Calculates regression metrics values.

Specified by:

scoreAll in class AbstractMetrics<RegressionMetricValues>

Parameters:

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

Returns:

Scores for all regression metrics.

name

public String name()

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

Returns:

String name representation.