## Uses of Class
org.encog.ml.hmm.alog.ForwardBackwardCalculator

- Packages that use ForwardBackwardCalculator
  Package | Description
  --- | ---
  org.encog.ml.hmm.alog |
  org.encog.ml.hmm.train.bw |

- - ### Uses of ForwardBackwardCalculator in org.encog.ml.hmm.alog

    Subclasses of ForwardBackwardCalculator in org.encog.ml.hmm.alog
    Modifier and Type | Class and Description
    --- | ---
    `class` | `ForwardBackwardScaledCalculator` The forward-backward algorithm is an inference algorithm for hidden Markov models which computes the posterior marginals of all hidden state variables given a sequence of observations.

  - ### Uses of ForwardBackwardCalculator in org.encog.ml.hmm.train.bw

    Methods in org.encog.ml.hmm.train.bw that return ForwardBackwardCalculator
    Modifier and Type | Method and Description
    --- | ---
    `abstract ForwardBackwardCalculator` | BaseBaumWelch.`generateForwardBackwardCalculator(MLDataSet sequence, HiddenMarkovModel hmm)`
    `ForwardBackwardCalculator` | TrainBaumWelchScaled.`generateForwardBackwardCalculator(MLDataSet sequence, HiddenMarkovModel hmm)`
    `ForwardBackwardCalculator` | TrainBaumWelch.`generateForwardBackwardCalculator(MLDataSet sequence, HiddenMarkovModel hmm)`

    Methods in org.encog.ml.hmm.train.bw with parameters of type ForwardBackwardCalculator
    Modifier and Type | Method and Description
    --- | ---
    `protected double[][]` | BaseBaumWelch.`estimateGamma(double[][][] xi, ForwardBackwardCalculator fbc)`
    `protected double[][]` | TrainBaumWelch.`estimateGamma(double[][][] xi, ForwardBackwardCalculator fbc)`
    `abstract double[][][]` | BaseBaumWelch.`estimateXi(MLDataSet sequence, ForwardBackwardCalculator fbc, HiddenMarkovModel hmm)`
    `double[][][]` | TrainBaumWelchScaled.`estimateXi(MLDataSet sequence, ForwardBackwardCalculator fbc, HiddenMarkovModel hmm)`
    `double[][][]` | TrainBaumWelch.`estimateXi(MLDataSet sequence, ForwardBackwardCalculator fbc, HiddenMarkovModel hmm)`

Copyright © 2014. All Rights Reserved.