Lesson

1. Developing R Packages with RStudio
2. Building, Testing, and Distributing Packages
3. Writing Package Documentation
4. Writing documents for R package

R package checklist

0. Check out (clone) the package repository as a RStudio project or create a R package project from RStudio menu File/New Project…;
1. Test that the pakcage builds and loads without issue;
2. Check the package with devtools::check(), which also runs tests inlcuded in the package; verify there are no errors or warnings;
3. Does the package include tests? Do the tests run successfully?
4. Verify that the package includes proper documents as roxygen comments in the R code files;
5. (Does the package include vignettes?)
6. Install the package and load it with library;
7. See what functions are provided by the package with ls("package:<package name>") after loading it with library;
8. Study the vignettes and help documents to learn how to use it.

Class project tips

• readxl package reads data in excel files
• Use equal_* functions in the testthat package for tests
• Use ggplot2 for visualization

Resources:

1. R Package by Hadley Wickham
2. Making Your First R Package by Fong Chun Chan
3. A Quickstart Guide for Building Your First R Package