Description Usage Arguments Value Examples
Read individual files (each year)
1 | fars_read_years(years)
|
years |
is an integer or list or vector representing year(s) |
data frames for each year-file containing month and year columns
if year is invalid (no existing file) returns warning
1 2 3 4 5 6 | ## Not run:
fars_read_years (2013)
fars_read_years (2013:2015)
fars_read_years (c(2013,2015))
## End(Not run)
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