fars_map_state: Draw a map of accidents (from the Traffic Safety...
In ValeriVoev/VRVPackage: Reads and maps traffic accident data

Description Usage Arguments Value Note Examples

This function plots a map of all accidents (except those with missing longitude and/or latitude information) for a particular state and year.

1	fars_map_state(state.num, year)

`state.num`	A state number as (or coercible into) an integer for which the map will be plotted
`year`	A year value in %Y format, the year for which the accidents will be plotted

NULL. This function is used for it's side effect, namely a map of the accidents for a given state and year

The data for each year should be in format "accident_<year>.csv.bz2". If a state number is not recognized, an error will be generated. Some states (e.g., state number 2 (Alaska)) cannot be plotted.