When using the data package method and when the data package is not installed (e.g., after an upgrade to R 4.4.0), the user sees a "no such file or directory" error.
Tweak function (and add test) to check if the data package is installed, and if not, issue a helpful error message saying the data package is not installed.
When using the data package method and when the data package is not installed (e.g., after an upgrade to R 4.4.0), the user sees a "no such file or directory" error.
Tweak function (and add test) to check if the data package is installed, and if not, issue a helpful error message saying the data package is not installed.