public StructEmBayesSearchRunner(
DataWrapper dataWrapper, BayesImWrapper bayesImWrapper, StructEmBayesSearchParams params) {
if (dataWrapper == null) {
throw new NullPointerException();
}
if (bayesImWrapper == null) {
throw new NullPointerException();
}
if (params == null) {
throw new NullPointerException();
}
DataSet dataSet = (DataSet) dataWrapper.getSelectedDataModel();
this.bayesPm = bayesImWrapper.getBayesIm().getBayesPm();
FactoredBayesStructuralEM estimator = new FactoredBayesStructuralEM(dataSet, bayesPm);
this.dataSet = estimator.getDataSet();
try {
this.estimatedBayesIm = estimator.maximization(params.getTolerance());
} catch (IllegalArgumentException e) {
throw new RuntimeException("Please specify the search tolerance first.");
}
}
public BayesImWrapper(BayesImWrapper bayesImWrapper) {
if (bayesImWrapper == null) {
throw new NullPointerException();
}
this.bayesIm = new MlBayesIm(bayesImWrapper.getBayesIm());
log(bayesIm);
}
public BayesImWrapper(
BayesPmWrapper bayesPmWrapper, BayesImWrapper oldBayesImwrapper, BayesImParams params) {
if (bayesPmWrapper == null) {
throw new NullPointerException("BayesPmWrapper must not be null.");
}
if (params == null) {
throw new NullPointerException("Params must not be null.");
}
BayesPm bayesPm = new BayesPm(bayesPmWrapper.getBayesPm());
BayesIm oldBayesIm = oldBayesImwrapper.getBayesIm();
if (params.getInitializationMode() == BayesImParams.MANUAL_RETAIN) {
this.bayesIm = new MlBayesIm(bayesPm, oldBayesIm, MlBayesIm.MANUAL);
} else if (params.getInitializationMode() == BayesImParams.RANDOM_RETAIN) {
this.bayesIm = new MlBayesIm(bayesPm, oldBayesIm, MlBayesIm.RANDOM);
} else if (params.getInitializationMode() == BayesImParams.RANDOM_OVERWRITE) {
this.bayesIm = new MlBayesIm(bayesPm, MlBayesIm.RANDOM);
}
log(bayesIm);
}
/**
* Generates a simple exemplar of this class to test serialization.
*
* @see edu.cmu.TestSerialization
* @see edu.cmu.tetradapp.util.TetradSerializableUtils
*/
public static BayesImWrapperObs serializableInstance() {
return new BayesImWrapperObs(BayesImWrapper.serializableInstance());
}