fars_map_state: Print "FARS Map State"

In mmiesch/msdr3pam: MSDR Course 3 Package Assignment

Description

fars_map_state maps out the fatal motor vehicle accidents for a particular state in a particular year, according to data compiled by the Fatality Analysis Reporting System (FARS) of the US National Highway Traffic Safety Administration.

Usage

fars_map_state(state.num, year, dir = "./inst/extdata")

Arguments

state.num	number of state for which data is requested (between 1 and 51).
year	desired calendar year
dir	a character string containing the directory that contains the FARS data

Value

The function plots a map of the state in question, with points marking the locations of fatal motor vehicle accidents in the specified year.

Note

An error message will be generated if the state number is not in the required range (1 to 51), if the data file for the specified year cannot be found, or if the data file is not in the proper FARS format.

Examples

dir <- system.file("extdata",package="msdr3pam")
fars_map_state(26,2013,dir=dir)
fars_map_state(1,2015,dir=dir)

mmiesch/msdr3pam documentation built on May 18, 2019, 9:14 p.m.