fars_summarize_years: Summarize the number of accidents across years.
In acjackman/building_r_packages: Analysis of Fatality Analysis Reporting System data

Summarize the number of accidents per month across multiple years.

1	fars_summarize_years(years)

years

A vector of years.

A data_frame with one record per month, and columns for each year selected.

## Not run: 
fars_summarize_years(c(2013))
fars_summarize_years(c(2013, 2014, 2015))

## End(Not run)

acjackman/building_r_packages documentation built on May 10, 2019, 5:11 a.m.

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