calc_chunks             Calculate indices of data "chunks" in a data
                        object
calc_duration           Calculate Duration
chunk_data_             Break a data object into chunks
paste_efs               Paste Event-Free-Survival
paste_freq              Paste Frequency
paste_mean              Paste Mean
paste_median            Paste Median
tabulate_at_risk        Tabulate At Risk
tabulate_model          Tabulate Model
tabulate_model.coxph    Tabulate Model: Cox PH
tabulate_model.glm      Tabulate Model: GLM
tabulate_model.lm       Tabulate Model: Linear Regression (LM)
test_hypothesis         Test the null hypothesis
