ml.combust.mleap.core.ann

LossFunction

trait LossFunction extends AnyRef

Trait for loss function

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SigmoidLayerModelWithSquaredError, SoftmaxLayerModelWithCrossEntropyLoss
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  1. abstract def loss(output: DenseMatrix[Double], target: DenseMatrix[Double], delta: DenseMatrix[Double]): Double

    Returns the value of loss function.

    Returns the value of loss function. Computes loss based on target and output. Writes delta (error) to delta in place. Delta is allocated based on the outputSize of model implementation.

    output

    actual output

    target

    target output

    delta

    delta (updated in place)

    returns

    loss

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