smile.validation.metric

Class Error

java.lang.Object

smile.validation.metric.Error

All Implemented Interfaces:

java.io.Serializable, ClassificationMetric

public class Error
extends java.lang.Object
implements ClassificationMetric

The number of errors in the population.

See Also:

Serialized Form

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor and Description
Error()

Method Summary

Modifier and Type	Method and Description
static int	of(int[] truth, int[] prediction) Calculates the number of errors.
double	score(int[] truth, int[] prediction) Returns a score to measure the quality of classification.
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 Error instance

Default instance.

Constructor Detail

Error

public Error()

Method Detail

score

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

Description copied from interface: ClassificationMetric

Returns a score to measure the quality of classification.

Specified by:

score in interface ClassificationMetric

Parameters:

truth - the true class labels.

prediction - the predicted class labels.

of

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

Calculates the number of errors.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object