absolute.risk           Computes absolute risks from relative risks.
add.cases               Computes how many additional cases a group
                        generates.
build.population        Builds a PopulationAtRisk object.
expand                  Formula expansion.
get.groups              Extract population groups from a formula.
get.main                Get main effects from an R 'formula' object.
interactive.population
                        Build a population at risk interactively.
make.case.control.study
                        Construct a case-control-study data frame.
make.cases              Generate cases from a population at risk.
make.controls           Draw controls from a population at risk given
                        observed cases.
rccs                    Construct a random case-control-study from a
                        population at risk.
reccsim-package         Simulate case-control studies.
risk.difference         Computes the absolute risk difference between
                        groups.
summary.CaseControlStudy
                        Summarize a case-control-study.
