def.ensemble.gof        Combine Directed GOF Tests into One Decision
                        (Ensemble)
def.gof                 Directed Ebrahim-Farrington (DEF)
                        Goodness-of-Fit Test
ef.gof                  Ebrahim-Farrington Goodness-of-Fit Test for
                        Logistic Regression
run.all.gof             Run a Battery of Goodness-of-Fit Tests at Once
