smile.validation

Class RMSE

java.lang.Object

smile.validation.RMSE

All Implemented Interfaces:

RegressionMeasure

public class RMSE
extends java.lang.Object
implements RegressionMeasure

Root mean squared error.

Field Summary

Fields

Modifier and Type	Field and Description
static RMSE	instance

Constructor Summary

Constructors

Constructor and Description
RMSE()

Method Summary

Modifier and Type	Method and Description
double	measure(double[] truth, double[] prediction) Returns an index to measure the quality of regression.
static double	of(double[] truth, double[] prediction) Calculates the root mean squared error.
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 RMSE instance

Constructor Detail

RMSE

public RMSE()

Method Detail

measure

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

Description copied from interface: RegressionMeasure

Returns an index to measure the quality of regression.

Specified by:

measure in interface RegressionMeasure

Parameters:

truth - the true response values.

prediction - the predicted response values.

of

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

Calculates the root mean squared error.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object