fars_summarize_years: Number of accidents by month

In pabgamu/firstR: My first R package

Description

This function computes number of accidents by months for years selected as input. Function will throw a warning for each of the input years that don't have data available. fars data files must be working directory.

Usage

fars_summarize_years(years)

Arguments

years

an integer or numeric vector containing years.

Value

a tibble data frame object containing number of accidents by month and year.

References

http://www.nhtsa.gov/Data/Fatality-Analysis-Reporting-System-(FARS)

Examples

## Not run: 
# summarise one year of data
monthly_summ_2013 <- fars_summarize_years(2013)

# summarise three years of data
monthly_summ_2013_2015 <- fars_summarize_years(2013:2015)

## End(Not run)

pabgamu/firstR documentation built on May 24, 2019, 5:57 p.m.