getPyramidAgeDist: Get the age distribution for the pedigree
In rmsharp/nprcmanager: Genetic Tools for Colony Management

Description Usage Arguments Details Value Examples

Forms a dataframe with columns id, birth, sex, and age for those animals with a status of Alive in the pedigree.

1	getPyramidAgeDist(ped = NULL)

ped

dataframe with pedigree

The lubridate package is used here because of the way the modern Gregorian calendar is constructed, there is no straightforward arithmetic method that produces a person’s age, stated according to common usage — common usage meaning that a person’s age should always be an integer that increases exactly on a birthday.

A pedigree with status column added, which describes the animal as ALIVE or DECEASED and a age column added, which has the animal's age in years or NA if it cannot be calculated. The exit column values have been remapped to valid dates or NA.