causalForest            Causal Effect Regression and Estimation Forests
                        (Tree Ensembles)
causalTree              Causal Effect Regression and Estimation Trees
estimate.causalTree     Replace leaf predictions for an 'rpart' object,
                        such as one generated by 'causalTree', with
                        estimates of treatment effects within each
                        leaf, using a new dataset.
honest.causalTree       Causal Effect Regression and Estimation Trees:
                        One-step honest estimation
propensityForest        Propensity Forest for Causal Effect Regression
                        and Estimation (Modified Causal Tree Ensembles)
simulation.1            simulation data from Susan and Guido's paper
simulation.2            simulation data from Susan and Guido's paper
