fars_summarize_years: Counts number of accidents per month and year

Description Usage Arguments Value Examples

View source: R/fars_functions.R

Description

Based on the list of years, the function calculates the number of accidents in the US on a monthly basis. The accident files need to be in the working directory, the years can be passed as a list or a vector.

Usage

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Arguments

years

A vector or list of years (numeric or integer) that will be searched in the data

Value

Returns a pivot tibble (data frame) with months in rows and selected years in columns containing the number of accidents. Returns a warning for every input year that does not exist in the datasets. Returns an error (no results) if a different than numeric or integer input is presented.

Examples

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## Not run: 
fars_summarize_years(2013:2016)

## End(Not run)

volansys/r-package-building documentation built on May 3, 2019, 6:40 p.m.