// do splitting strings into arrays here...
String[] predictor_label_names = this.PredictorLabelNames.split(",");
String[] variable_types = this.PredictorVariableTypes.split(",");
polr_modelparams = new ModelParameters();
polr_modelparams.setTargetVariable(this.TargetVariableName);
polr_modelparams.setNumFeatures(this.FeatureVectorSize);
polr_modelparams.setUseBias(true);
List<String> typeList = Lists.newArrayList();