smile.validation.metric

Interface CrossEntropy

public interface CrossEntropy

Cross entropy generalizes the log loss metric to multiclass problems.

Method Summary

Modifier and Type	Method and Description
static double	of(int[] truth, double[][] probability) Calculates the cross entropy for multiclass classifier.

Method Detail

of

static double of(int[] truth,
                 double[][] probability)

Calculates the cross entropy for multiclass classifier.

Parameters:

truth - The sample labels

probability - The posterior probability of samples.

Returns:

Cross entropy