BuildViP                Builds a Virtual Population in a Single Step
Children                Generates Individual Fertility Histories
GetData                 Reads Data from the HMD and HFD into R
GetGenerations          Builds a Multi-Generation Virtual Population
                        from demographic parameters
GetRates                Retrieves Period Mortality and Fertility Rates
                        from HMD and HFD for a Selected Country and
                        Selected Year
GetRatesC               Retrieves Cohort Data from the HMD and HFD and
                        Obtains Cohort Rates
H_pw                    Computes Cumulative Hazard at Duration t under
                        a Piecewise Exponential Model
Lifespan                Generates Individual Lifespan(s)
PartnerSearch           Simple Partner Search Simulation
Sim_bio                 Generic Function to Generate Single Life
                        History
dLH                     Individual fertility histories based on period
                        data and in the presence of mortality (USA
                        2021)
e0                      Mean Ages at Death and Probabilities of
                        Surviving to Selected Ages, by Sex
pw_root                 The Function for which the Root is Sought.
r.pw_exp                Draws Waiting Times from a
                        Piecewise-Exponential Distribution.
rates                   Period rates
ratesC                  Cohort rates
