poputils-package: Functions for working with demographic data

In poputils: Demographic Analysis and Data Manipulation

Functions for working with demographic data

Description

Functions for common tasks in demographic analyses. Some functions are aimed at end-users, and others at developers.

For end users

Data manipulation

• logit(),invlogit() Logistic transformation

• trim_01() Trim values to interval (0, 1)

• rr3() Randomly round to base 3

Labels

• age_labels() Create age labels.

• age_lower(), age_mid(), age_upper() Limits and midpoints of age groups

• combine_age() Merge age group labels

• reformat_age() Reformat age group labels

• reformat_sex() Reformat sex labels

• set_age_open() Specify oldest age group

Life expectancy, life tables

• ex_to_lifetab_brass() Brass logit model.

• lifeexp() Life expectancy

• lifetab() Full life table

• q0_to_m0() Infant mortality

** Fertility**

• tfr() Total fertility rate

For developers

Checking arguments

• check_n() Check an integer scalar

Data manipulation

• check_no_overlap_colnums() Checking for argument clash

• groups_colnums() Get column numbers for grouping variables

• matrix_to_list_of_cols(), matrix_to_list_of_rows() Split matrix

• to_matrix() Convert data frame to matrix

Labels

• age_group_type() Infer type of age group label

• check_age() Validity checks for age group labels

• find_label_female(), find_label_male() Identify sex or gender labels

• find_var_age(), find_var_sexgender(), find_var_time() Identify age, sex/gender, time variables

Author(s)

Maintainer: John Bryant [e-mail]

Other contributors:

• Bayesian Demography Limited [copyright holder]

See Also

Useful links:

• https://bayesiandemography.github.io/poputils/

• https://github.com/bayesiandemography/poputils

• Report bugs at https://github.com/bayesiandemography/poputils/issues

poputils documentation built on Aug. 8, 2025, 6:21 p.m.