If you would like to contribute code, first fork and clone the repository.
Install the following R packages:
install.packages("devtools")
install.packages("dplyr")
install.packages("lintr")
install.packages("roxygen2")
install.packages("testthat")
install.packages("tidyr")
Create a new branch and start making changes to the code.
Do not forget to write tests under the testthat subdirectory for any new code you write!
When you are done, make sure the package builds and all the tests pass:
make document
make check
make test
make build
Lastly, push to your fork and create a pull request.
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