| BuildViP | Builds a Virtual Population in a Single Step |
| Children | Generates Individual Fertility Histories |
| 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 |
| 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 |
| 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 |
| Sim_bio | Generic Function to Generate Single Life History |