fars_read_years: Get all accidents happend according to months within certain...

Description Usage Arguments Value Examples

Description

This function will first generate the files name according to the input year, then loadding the generated filename, select the month and years column to output

Usage

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Arguments

years

the years want to query the accident , and can be a vector

Value

a list with data.frame elements, this function will return the tbl_df with month and year column within certain years if the input years didnt contain in the dataset, show error message.

Examples

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## Not run: 
fars_read_years(years=2013)

## End(Not run)

weitinglin/TestCreate documentation built on May 5, 2019, 8 p.m.