lt.indices: Generates indices from a mortAAR life table for use in other...

In mortAAR: Analysis of Archaeological Mortality Data

Generates indices from a mortAAR life table for use in other functions

Description

This function bundles a number of indices and vectors from a mortAAR life table which are needed by other functions in mortAAR. The results are only meaningful if 5-year-categories have been chosen to construct the life table.

Usage

lt.indices(life_table)

Arguments

life_table

an object of class mortaar_life_table.

Value

A list with the following indices and vectors:

• child_i: ratio of individuals aged 5–9 to those aged 10–14 according to Masset and Bocquet 1977.

• juvenile_i: ratio of individuals aged 5–14 to adults according to Masset and Bocquet 1977.

• P(5-19): ratio of individuals aged 5–19 to those aged 5 or above according to Bocquet-Appel 2002.

• D30_D5): ratio of individuals aged 30 and above to those aged 5 or above according to Buikstra et al. 1986.

• D0_14_D: proportion of individuals aged 0–14 according to McFadden & Oxenham 2018a if infants are represented well.

• e0: life expectancy at age 0.

References

\insertRef

bocquet_appel_2002mortAAR

\insertRef

masset_bocquet_1977mortAAR

\insertRef

buikstra_et_al_1986mortAAR

\insertRef

mcfadden_oxenham_2018amortAAR

Examples

schleswig <- life.table(schleswig_ma[c("a", "Dx")])
lt.indices(schleswig)

mortAAR documentation built on Aug. 28, 2023, 1:06 a.m.