dLH {VirtualPop} | R Documentation |
Fertility histories based on period data and in the presence of mortality. The histories are simulated from age-specific death rates and conditional fertility rates of USA 2021.
data(dLH,package="VirtualPop")
A data frame with data about 7,000 individuals (2000 in initial cohort).
Identification number
Generation
Birth cohort (year of birth)
Sex. A factor with levels Males and Females
Date of birth (decimal date)
Date of death (decimal date)
Age at death (decimal number)
ID of mother
ID of father
Child's line number in the nuclear family (household)
ID of partner
Date of union formation
Number of children ever born to the individual
The object has four attributes:
Country
type: Type of data used to produce the histories (period data or cohort data)
refyear: Calendar year for which period data are used. If cohort data are used, refyear is missing (NA)
cohort: Year of birth of cohort for which the data are used. If period data are used, cohort is missing (NA)
The virtual population is produced from period mortality rates by age and period fertility rates by age and parity from the United States 2021. The data are from the Human Mortality Database (HMD) and the Human Fertility Database (HFD).