| check_input_file | R Documentation |
Local helper to be reused.
check_input_file(filename = NULL, type = NULL, data_dir = NULL, year = NULL)
filename |
Character string of the filename of the .csv to read. |
type |
One of 'collision', 'casualty', 'Vehicle'. |
data_dir |
Where sets of downloaded data would be found. |
year |
Single year for which data are to be read. |
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