fars_read_years: Reads month and year from accident files

In MPC24/fars3: Package for FARS accident data analysis

Description

The function accepts a vector or list of years and returns a list of data frames with MONTH and year columns based on data in "accident_<year>.csv.bz2 files. The files need to be located in the working directory.

Usage

fars_read_years(years)

Arguments

years

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

Value

Returns a list of tibbles (data frames) with the same number of rows as the data in "accident_<year>.csv.bz2" files and two columns - MONTH and year. Returns NULL and a warning if the file does not exist.

Examples

## Not run: 
fars_read_years(2013:2015)
fars_read_years(list(2013, 2014))

# Results in a warning
fars_read_years(2016)

## End(Not run)

MPC24/fars3 documentation built on May 28, 2019, 1:45 p.m.