bias.corrected.neyman   Bias-corrected Neyman Sample Average Treatment
                        Effect Estimator
classic.neyman          Classic Neyman Sample Average Treatment Effect
                        Estimator
covAdj.variance         Covariate-Adjusted Variance Estimation
generate.data.dose      Generate example data with five covariates
generate.data.dose2     Generate sample data with six covariates
make.pmatrix            Make matrix of treatment assignment
                        probabilities
nbp.caliper             non-bipartite matching with treatment
                        assignment caliper
