fars_summarize_years: Function to reads multiple files based on years parameter and...

In itjmt96/FARS: Functions to analyze FARS data

Description

This function takes the years parameter. It reads multiple files and returns dataframe object. It outputs a warning message if it cannot find a file for a year in the years parameter. It returns NULL. It uses function: fars_read_years

Usage

fars_summarize_years(years)

Arguments

years

Valid years as a vector (atomic or list) or an expression object.

Value

File data is read and sumarized into a dataframe object by MONTH and year.

Examples

## Not run: 
fars_summarize_years(list(2013, 2014, 2015))
fars_summarize_years(year=list(2013, 2014, 2015))
fars_summarize_years(list("2013", "2014", "2015"))
fars_summarize_years(year=list("2013", "2014", "2015"))

## End(Not run)

itjmt96/FARS documentation built on May 18, 2019, 5:52 a.m.