<operator name="Root" class="Process" expanded="yes"> <operator name="NominalExampleSetGenerator" class="NominalExampleSetGenerator"> </operator> <operator name="XValidation" class="XValidation" expanded="yes"> <operator name="DecisionTree" class="DecisionTree"> </operator> <operator name="OperatorChain" class="OperatorChain" expanded="yes"> <operator name="ModelApplier" class="ModelApplier"> <list key="application_parameters"> </list> </operator> <operator name="ClassificationPerformance" class="ClassificationPerformance"> <parameter key="accuracy" value="true"/> <list key="class_weights"> </list> <parameter key="keep_example_set" value="true"/> </operator> <operator name="ClassificationPerformance (2)" class="ClassificationPerformance"> <list key="class_weights"> </list> <parameter key="classification_error" value="true"/> </operator> </operator> </operator></operator>