/**
* Splits the given data set by collinear columns.
*
* @param wrapper
*/
public SimulateFromCovWrapper(DataWrapper wrapper) {
if (wrapper == null) {
throw new NullPointerException("The given data must not be null");
}
DataModel model = wrapper.getSelectedDataModel();
if (model instanceof ICovarianceMatrix) {
CovarianceMatrix covarianceMatrix = new CovarianceMatrix((CovarianceMatrix) model);
DataSet dataSet = DataUtils.choleskySimulation(covarianceMatrix);
setDataModel(dataSet);
setSourceGraph(wrapper.getSourceGraph());
} else {
throw new IllegalArgumentException("Must be a dataset or a covariance matrix");
}
LogDataUtils.logDataModelList(
"Conversion of data to covariance matrix form.", getDataModelList());
}
