Age                     Age of ego or kin at given calendar date
Alive                   Living status of individual at given age or
                        calendar date
Db                      Date(s) of birth in decimal format
Dd                      Date(s) of death in decimal format
Families-package        Kinship Ties in Virtual Populations
IDau                    IDs of aunts and uncles of ego
IDch                    IDs of children of ego
IDfather                ID of father of ego
IDgch                   IDs of grandchildren of ego
IDmother                ID of mother of ego
IDpartner               ID of partner of ego
IDsib                   IDs of siblings of ego
Kin_long                Converts a list vector of kin into a dataframe
                        of kin
Nkin                    Number of kin of given type
PlotAges                Plots age distribution(s) of kin
Tests                   Checks the input data
dLH                     Individual fertility histories of members of a
                        virtual population. Sample dataset.
