fars_map_state: Mark the incidence location on a map

In ChaoLiu-gk/FARS: Summary and Mapping of Fatal Analysis Reporting System (FARS) Data

Description

fars_map_state extracts the geometry information of each accident from fars data and plot them to the map.

Usage

fars_map_state(state.num, year)

Arguments

state.num	A state number in numeric or integer format
year	A year in numeric format

Value

fars_map_state returns a map plot with each accident marked on it. It will return an error message invalid STATE number: state.num if the state.num cannot be located in the fars data. If there is no accidents found in the query, the function will return a message no accidents to plot.

References

the US National Highway Traffic Safety Administration's Fatality Analysis Reporting System. https://www.nhtsa.gov/Data/Fatality-Analysis-Reporting-System-(FARS)

See Also

make_filename

fars_read

Examples

fars_map_state(state.num = 30, year = 2013)

ChaoLiu-gk/FARS documentation built on Jan. 6, 2020, 12:43 a.m.