data_births_all: The complete dataset at the level of births

In courtiol/twinR: A Supporting R Package for the Paper "Mothers with higher twinning propensity had lower fertility in pre-industrial Europe" (Rickard et al., Nature Communications 2002)

The complete dataset at the level of births

Description

This dataset contains the raw data associated with 116,082 birth events. It contains the following variables:

• pop a factor with 9 levels defining the population

• maternal_id a factor with 23,281 levels defining the identity of the mothers

• maternal_birthyear the year when the mother was born

• maternal_age the age of the mother (in months)

• birth_year the year when a given birth occurred

• twin the outcome of the birth in terms of twinning (TRUE or FALSE)

• monthly whether the observations were collected at a monthly resolution (TRUE or FALSE)

Format

a tibble

References

this study

Examples

data_births_all

courtiol/twinR documentation built on July 11, 2024, 12:04 a.m.