/** Checks whether classifier, class index and evaluation are provided. */
protected void check() {
super.check();
if (m_Classifier == null) throw new IllegalStateException("No classifier set!");
if (m_ClassIndex == -1) throw new IllegalStateException("No class index set!");
if (m_Evaluation == null) throw new IllegalStateException("No evaluation set");
}
/** Performs checks, sets up the structure for the plot instances. */
public void setUp() {
m_FinishUpCalled = false;
check();
determineFormat();
}