fars_map_state: Plot Location of Motor Vehicles Traffic Crashes

In bzunar/trafficSafety: Analyse data from the US 'Fatality Analysis Reporting System'

Description

The function plots a map that shows where in the specified state the accidents occurred during the specified year.

Usage

fars_map_state(state.num, year)

Arguments

state.num	State number
year	Year of interest

Details

Internally, the function uses make_filename and fars_read functions to load the data, filters by state and plots accidents using the map function of the maps package. Only one state and one year can be specified in the function call. If the user enters wrong state number, the function will abort, throwing out an error. If the user filters out all of the data, the function will print an appropriate message.

Value

The function plots a map of the state with points representing locations at which the accidents occurred.

Examples

## Not run: 
fars_map_state(10, 2014)

## End(Not run)

bzunar/trafficSafety documentation built on June 5, 2019, 7:57 a.m.