public String toClassDetailsString() throws Exception {
  return toClassDetailsString("=== Detailed Accuracy By Class ===\n");
}

public String toClassDetailsString ( ) throws Exception { return toClassDetailsString ( "=== Detailed Accuracy By Class ===\n" ) ; }
generates a breakdown of the accuracy for each class ( with default title ) , incorporating various information - retrieval statistics , such as true / false positive rate , precision / recall / f - measure . should be useful for roc curves , recall / precision curves .
