Description Usage Arguments Details Value Examples
fars_summarize_years
is a function that summarize Fatality Analysis Reporting
System (FARS) data for multiple years into columns.
1 | fars_summarize_years(years)
|
years |
A vector of years. |
This function produces a "tidy" data frame of FARS data for multiple years. Data
is summarized by each month of each year with each year in its own column. This function
uses fars_read_years
function to generate a list of month and year.
A dataframe with monthly number of accidents in each row and years as colunms.
1 2 3 4 5 | ## Not run:
fars_summarize_years(c(2014, 2015))
fars_summarize_years(c("2013", "2014"))
## End(Not run)
|
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