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lib/Algorithm/BaumWelch.pm  view on Meta::CPAN

    # Create an Algorithm::BaumWelch object.
    my $ba = Algorithm::BaumWelch->new;

    # Feed in the observation series.
    $ba->feed_obs($obs_series);

    # Feed in the transition and emission matrices and the starting probabilities.
    $ba->feed_values($trans, $emis, $start);

    # Alternatively you can randomly initialise the values - pass it the number of hidden states - 
    # i.e. to determine the parameters we need to make a first guess).
    # $ba->random_initialise(2);
     
    # Perform the algorithm.
    $ba->baum_welch;

    # Use results to pass data. 
    # In VOID-context prints formated results to STDOUT. 
    # In LIST-context returns references to the predicted transition & emission matrices and the starting parameters.
    $ba->results;