FARS package is a cluster of functions that can handle information about Fatality Analysis Reporting System (FARS) which is provided by US National Highway Traffic Safety Administration through a file. Each file has the information about a specific year.

Below is a list of all functions with its short description.

source("../R/fars_functions.R")
library(dplyr)

fars_read: Loads a specific fars file to a data frame

df_fars_file <- fars_read("accident_2013.csv.bz2")
head(df_fars_file)

make_filename: Builds a string with the name of file that will be loaded based on the year given by the user

filename <- make_filename(2013)
filename

fars_read_years: Creates a list of all months in the files

setwd(system.file("extdata", package = "fars"))
list_of_months <- fars_read_years(c(2013, 2014, 2015))
head(list_of_months)

fars_summarize_years: Summarizes the number of occurrencies in each month by year

setwd(system.file("extdata", package = "fars"))
df_occurrency_summary <- fars_summarize_years(c(2013, 2014, 2015))
head(df_occurrency_summary)

fars_map_state: Plots a map of a state showing the places of each accident that happend in a specific year

setwd(system.file("extdata", package = "fars"))
fars_map_state(1, 2013)


TarsoRodriguez/fars documentation built on May 17, 2019, 2:46 p.m.