Description Usage Arguments Value See Also Examples
Ancillary function used by fars_summarize_years
. Reads the FARS data of each
specified year and returns the year and month of each fatal injury
1 | fars_read_years(years)
|
years |
A vector or list with one or more years. Valid years are 2013, 2014 and 2015. |
A data frame (tbl_df) with variables year and month. Each row represents a fatal injury
month. Returns NULL if a year in years
is not valid.
fars_summarize_years
1 | FARS:::fars_read_years(2013)
|
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