/**
* Test example train
*
* As documented here:
* http://www.indiana.edu/~iulg/moss/hmmcalculations.pdf
*
* @return void
*/
public function testSimpleTrain()
{
$hmm = new slHiddenMarkovModel(2, array('A', 'B'));
// Initialize the model
$hmm->setStart(0, 0.85);
$hmm->setStart(1, 0.15);
$hmm->setTransition(0, 0, 0.3);
$hmm->setTransition(0, 1, 0.7);
$hmm->setTransition(1, 0, 0.1);
$hmm->setTransition(1, 1, 0.9);
$hmm->setEmission(0, 0, 0.4);
$hmm->setEmission(0, 1, 0.6);
$hmm->setEmission(1, 0, 0.5);
$hmm->setEmission(1, 1, 0.5);
$trainer = new slBaumWelchTrainer();
$trainer->trainCycle($hmm, array('A', 'B', 'B', 'A'), 1);
$trainer->trainCycle($hmm, array('B', 'A', 'B'), 1);
}
