expand: Function expand expands a data frame from animals as...

In nwfsc-cb/srkw-status: Package for processing and exploring killer whale demographic data

Function expand expands a data frame from animals as observations to animal-years as obserations

Description

Function expand expands a data frame from animals as observations to animal-years as obserations

Usage

expand(
  filename,
  start_year = 1976,
  current_year = NULL,
  fem_age_mat = 10,
  fem_age_senesc = 43,
  ages2stages = NULL
)

Arguments

filename	A file location (csv file) with births and deaths of each animal
start_year	Starting year for the expanded data, starts at 1976
current_year	End year for the expanded data, defaults to current calendar year
fem_age_mat	Female age at maturity, 10 years of age by default
fem_age_senesc	Female age at reproductive senescence, defaults to 43
ages2stages	A data frame of mapping ages and sexes to stages

Examples

## Not run: 
library(kwdemog)
data(orca)
data(ages2stages)
expanded_data = expand(orca, ages2stages = ages2stages)
# or use a filename
expanded_data = expand("use_this_file.csv", start_year = 1979, current_year = 2018,
fem_age_mat = 10, fem_age_senesc = 43, ages2stages = ages2stages)

## End(Not run)

nwfsc-cb/srkw-status documentation built on Jan. 16, 2025, 1 a.m.