A character string specifying the directory path where data should
be stored. If not provided and persistent storage is requested, it defaults to
a system-appropriate persistent location managed by `rappdirs`.
use_persistent_storage
A logical value indicating whether to use persistent
storage. If TRUE and no path is provided, data will be stored in a system-appropriate
location. Defaults to FALSE, using a temporary directory.
force_install
A logical value indicating whether to force re-downloading
of the data even if it already exists locally.
Details
The data is sourced from specified URLs and stored locally for subsequent use.
By default, the data is stored in a temporary directory. Users can opt into
persistent storage by setting `use_persistent_storage` to TRUE and optionally
specifying a path.