dLH: Individual fertility histories based on period data and in...

In VirtualPop: Simulation of Populations by Sampling Waiting-Time Distributions

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).

VirtualPop documentation built on April 12, 2025, 1:13 a.m.