Examples of org.encog.ml.data.MLSequenceSet

org.encog.ml.data.MLSequenceSet
A sequence set is a collection of data sets. Where each individual data set is one "unbroken sequence" within the sequence set. This allows individual observations to occur individually, indicating a break between them. The sequence set, itself, is a data set, so it can be used with any Encog trainer. However, not all trainers are aware of sequence sets. Further, some machine learning methods are unaffected by them. Sequence sets are typically used with Hidden Markov Models (HMM)'s.

    
    HiddenMarkovModel hmm = buildDiscHMM();
    HiddenMarkovModel learntHmm = buildDiscInitHMM();
    
    MarkovGenerator mg = new MarkovGenerator(hmm);
    MLSequenceSet training = mg.generateSequences(200,100);
    
    TrainBaumWelch bwl = new TrainBaumWelch(learntHmm,training);
    
    KullbackLeiblerDistanceCalculator klc = 
      new KullbackLeiblerDistanceCalculator();

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    HiddenMarkovModel hmm = buildContHMM();
    HiddenMarkovModel learntHmm = buildContInitHMM();
    
    MarkovGenerator mg = new MarkovGenerator(hmm);
    MLSequenceSet training = mg.generateSequences(200,100);
    
    TrainBaumWelch bwl = new TrainBaumWelch(learntHmm,training);
    
    KullbackLeiblerDistanceCalculator klc = 
      new KullbackLeiblerDistanceCalculator();

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  public void testDiscKMeans() {
    
    HiddenMarkovModel hmm = buildDiscHMM();
    
    MarkovGenerator mg = new MarkovGenerator(hmm);
    MLSequenceSet sequences = mg.generateSequences(200,100);
    
    TrainKMeans trainer = new TrainKMeans(hmm,sequences);
    
    HiddenMarkovModel learntHmm = buildDiscInitHMM();

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    newSequence();
  }


  public MLSequenceSet generateSequences(final int observationCount,
      final int observationLength) {
    final MLSequenceSet result = new BasicMLSequenceSet();


    for (int i = 0; i < observationCount; i++) {
      result.startNewSequence();
      result.add(observationSequence(observationLength));
    }


    return result;
  }

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Related Classes of org.encog.ml.data.MLSequenceSet

org.encog.ml.hmm.alog.MarkovGenerator

org.encog.ml.hmm.TestHMM

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