In vkati06/FARS: FARS functions

library(FARS)
g <- system.file("extdata", package = "FARS")
knitr::opts_knit$set(root.dir = g)

These functions can be used to analyse data from the US National Highway Traffic Safety Administration's Fatality Analysis Reporting System, which is a nationwide census providing the American public yearly data regarding fatal injuries suffered in motor vehicle traffic crashes.

Functions included in the package

• fars_read() to read data.
• fars_summarize_years() to summarize data.
• fars_map_state() to create a map of the events for given state and year.

Data

This package includes three datasets regarding fatal injuries suffered in motor vehicle traffic crashes in 2013, 2014, and 2015.

Read in data with fars_read()

fars_read() allows you to read a comma-separated csv file into a tibble.

The accident_2015.csv.bz2 file contains the features of events occured in 2015.

fname <- "accident_2015.csv.bz2"
fpath <- system.file("extdata", fname, package = "FARS")
d <- fars_read(fpath)

Analyse data

Summarize with fars_summarize_years()

fars_summarize_years() returns with the number of observations per month in the requested year(s). Such summary statistics for years 2013 and 2015 can be obtained as follows:

fars_summarize_years(c(2013, 2015))

Map of accidents with fars_map_state()

fars_map_state() creates a map of events for given state and year.

The map of the accidents occured in 2015 in state 1 can be obtained as follows:

fars_map_state(1, 2015)

vkati06/FARS documentation built on May 29, 2019, 9:57 a.m.