fars_read_years: Groups together in a new dataframe all accidents by selecting...
In axellencls/roadAccidentsStudy: Study on the car accidents in the US

Description Usage Arguments Value Examples

View source: R/fars_functions.R

Groups together in a new dataframe all accidents by selecting only the month and the year referenced in the archive files "accident_year.csv.bz2" from the target years given in the input. This function calls make_file_name and fars_read.

1	fars_read_years(years)

years

An integer vector with all the years to extract

If the input is an integer vector as required, it returns a dataframe with n+1 columns : MONTH and n years. Otherwise, when there are no archive files with the target year, it returns a warning like "invalid year: year" and NULL value.