R package R.methodsS3 is available on CRAN and can be installed in R as:
install.packages("R.methodsS3")
To install the pre-release version that is available in Git branch develop
on GitHub, use:
remotes::install_github("HenrikBengtsson/R.methodsS3", ref="develop")
This will install the package from source.
To contribute to this package, please see CONTRIBUTING.md.