fars_summarize_years: Creates a data frame with the number of accidents by year and...

In LOT801106/FARS: Reads, creates tables & Plots from Fatality Analysis Reporting System (FARS) data

Description

This function reads the 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. Then creates several data frames in a list, groups them by year, makes a summary of the number of accidents by MONTH and creates a data frame with this data with Year's as columns and MONTH's as rows.

Usage

fars_summarize_years(years)

Arguments

years

A year or vector of years in numeric or integer format.

Value

A data frame(tibble) containing columns for each Year and rows for each Month. Error(s) and Warning(s) if the introduced year(s) doesn't exist (file(s) doesn't exist).

Examples

## Not run: 
fars_summarize_years(2013:2015)
fars_summarize_years(2014)

## End(Not run)

LOT801106/FARS documentation built on May 10, 2019, 2:41 p.m.