smile.validation.metric

Class RSS

java.lang.Object

smile.validation.metric.RSS

All Implemented Interfaces:

java.io.Serializable, RegressionMetric

public class RSS
extends java.lang.Object
implements RegressionMetric

Residual sum of squares.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static RSS	instance Default instance.

Constructor Summary

Constructors

Constructor and Description
RSS()

Method Summary

Modifier and Type	Method and Description
static double	of(double[] truth, double[] prediction) Calculates the residual sum of squares.
double	score(double[] truth, double[] prediction) Returns a score to measure the quality of regression.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

instance

public static final RSS instance

Default instance.

Constructor Detail

RSS

public RSS()

Method Detail

score

public double score(double[] truth,
                    double[] prediction)

Description copied from interface: RegressionMetric

Returns a score to measure the quality of regression.

Specified by:

score in interface RegressionMetric

Parameters:

truth - the true response values.

prediction - the predicted response values.

of

public static double of(double[] truth,
                        double[] prediction)

Calculates the residual sum of squares.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object