| dLH {VirtualPop} | R Documentation |
Individual fertility histories based on period data and in the presence of mortality (USA 2021)
Description
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.
Usage
data(dLH,package="VirtualPop")
Format
A data frame with data about 7,000 individuals (2000 in initial cohort).
- ID
Identification number
- gen
Generation
- cohort
Birth cohort (year of birth)
- sex
Sex. A factor with levels Males and Females
- bdated
Date of birth (decimal date)
- ddated
Date of death (decimal date)
- x_D
Age at death (decimal number)
- IDmother
ID of mother
- IDfather
ID of father
- jch
Child's line number in the nuclear family (household)
- IDpartner
ID of partner
- udated
Date of union formation
- nch
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)
Source
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).