drdrtest                The function for performing tests of average
                        treatment effects with user specified nuisance
                        functions
drdrtest.base           The base function for performing tests of
                        average treatment effects
drdrtest.superlearner   The function for performing tests of average
                        treatment effects with SuperLearner
drdrtest_em             The base function for testing a effect modifier
                        with user specified nuisance functions
drdrtest_em.base        The base function for testing effect modifiers
drdrtest_em.superlearner
                        The function for testing a effect modifier with
                        SuperLearner
