de.jungblut.online.minimizer

Interface StochasticCostFunction

public interface StochasticCostFunction

Method Summary

Modifier and Type	Method and Description
de.jungblut.math.minimize.CostGradientTuple	observeExample(de.jungblut.online.ml.FeatureOutcomePair next, de.jungblut.math.DoubleVector weights) Observes the next example using the given weights.

Method Detail

observeExample

de.jungblut.math.minimize.CostGradientTuple observeExample(de.jungblut.online.ml.FeatureOutcomePair next,
                                                           de.jungblut.math.DoubleVector weights)

Observes the next example using the given weights.

Parameters:

next - the next item on the stream.

weights - the current weights.

Returns:

a cost/gradient pair that tells the minimizer where to move next.