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Description

Analysis of Archaeological Mortality Data.

A collection of functions for the analysis of archaeological mortality data (on the topic see e.g. Chamberlain 2006 <https://books.google.de/books?id=nG5FoO_becAC&lpg=PA27&ots=LG0b_xrx6O&dq=life%20table%20archaeology&pg=PA27#v=onepage&q&f=false>). It takes demographic data in different formats and displays the result in a standard life table as well as plots the relevant indices (percentage of deaths, survivorship, probability of death, life expectancy, percentage of population).

Project Status: Active – The project has reached a stable, usable state and is being actively developed. Coverage Status CRAN_Status_Badge license

mortAAR

With mortAAR you can calculate a life table based on archaeological demographic data. You just need the number of people of a certain age, but you can also use single individual data. mortAAR allows to separate the data according to sex/location/epoch or any other grouping variable.

What is a life table [aka discrete time survival analysis]? According to Chamberlain it is a

"(...) mathematical device for representing the mortality experience of a population and for exploring the effects on survivorship of age-specific probabilities of death. One reason why life tables have been ubiquitous in demography is that mortality cannot easily be modelled as a single equation or continuous function of age."

To our knowledge as of writing, a simple to use and easily accessible tool to calculate and create archaeological life tables has been lacking. That is why we sat down and put mortAAR for R together. We hope it will be of use for archaeologists world-wide.

In our view, mortAAR shines in the following areas:

  • Ease and flexibility of input (different kinds of customization and grouping)
  • Sophisticated means of computation (exploding of age ranges, separation factor for average lived years)
  • Comprehensiveness of output (life tables for all groups specified, plots for the most important measures, relative population calculation)

For further information, please have a look at the Vignettes – Basic usage, Extended discussion, Life table correction and Reproduction – and the Manual.

Installation

mortAAR is available on CRAN and can be installed through install.packages("mortAAR"). You can also install the development version with:

if(!require('remotes')) install.packages('remotes')
remotes::install_github('ISAAKiel/mortAAR', build_vignettes = TRUE)

Licence

mortAAR is released under the GNU General Public Licence, version 3. Comments and feedback are welcome, as are code contributions.

Metadata

Version

1.1.6

License

Unknown

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