Multi Class Log Loss

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Description

Compute the multi class log loss.

Usage

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MultiLogLoss(y_pred, y_true)

Arguments

y_pred

Predicted probabilities matrix, as returned by a classifier

y_true

Ground truth (correct) labels vector or a matrix of correct labels indicating by 0-1, same format as probabilities matrix

Value

Multi Class Log Loss

Examples

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data(iris)
svm.model <- e1071::svm(Species~., data = iris, probability = TRUE)
pred <- predict(svm.model, iris, probability = TRUE)
MultiLogLoss(y_true = iris$Species, y_pred = attr(pred, "probabilities"))