fars_read_years: Selects all months in each file loaded (year)

In TarsoRodriguez/fars: Handle fars file

Description

This function creates a list of all months in the files.

Usage

fars_read_years(years)

Arguments

years

a vector with all years that should be loaded

Details

This function uses mutate and select functions from dplyr package. It also calls make_filename function in order to create a string with the filename and fars_read function to load the files in a dataframe of all years specified in the parameter. In case the year required doesn't have a correspondent file it will generate a warning.

Value

This function returns a list with the column month of each file. if the year is invalid a warning will be generated to inform it.

Examples

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

## End(Not run)

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