Description Usage Arguments Value Examples
The input is a list of four digit years. The output is a tibble with one row per month,
and one column per year of the number of fatal accidents. If any of the input values
for year cannot be interpreted by as.integer
, or if there is not a data
file for a year, a message is printed warning of an invalid year. Valid years are
processed
1 | fars_summarize_years(years)
|
years |
A list of four-digit years |
tibble with number of fatal accidents in a tabular format
1 2 3 | ## Not run: fars_summarize_years(list(2012))
## Not run: fars_summarize_years(list("2012","2014"))
## Not run: fars_summarize_years(list(2012:2014))
|
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