This function was created as a helper function to generate file paths to our
internal data. You should use this function if you
want to follow along with the example, or interact with the data
Usage
example_path(file = NULL)
Value
the path to the file as a `character` or a vector of `character`
giving example filenames if `fill = NULL`.
Arguments
file
The file name of the data; leave as NULL (default) to get full
list of example files