fars_summarize_years: Function "fars_summarize_years" - Summarize data from FARS

Description Usage Arguments Value Examples

Description

. This function summarizes yearly accidents data, by month. it uses the data frames created by the function fars_read_years. It merges data frames, groups data by year and month and spread data by columns

Usage

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Arguments

years

a vector with the list of years

Value

This function returns a data frame with number of accidents by years summarized by month

Examples

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## Not run: 
fars_summarize_years(2013:2015)
## End(Not run)

olb1605/FARS_Package_Coursera documentation built on May 23, 2019, 4:05 a.m.