NOTE: ageutils is still somewhat experimental in nature and should be treated as such until the 0.1.0 release.
You can install the latest release of ageutils from CRAN with:
install.packages("ageutils")
The development version can be installed from r-universe with:
install.packages(
'ageutils',
repos = c('https://tim.r-universe.dev', 'https://cloud.r-project.org')
)