fars_summarize_years: Count observations by year and month

Description Usage Arguments Value Examples

Description

fars_summarize_years imports into R session a set of datasets at once, binds rows of elements of list into a data.frame object, counts observations by year and month, spreads result by year and value pair, returning a data.frame object of class tbl_df, data.frame and tbl.

Usage

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Arguments

years

vector of years as integers

Value

object of class data.frame, tbl_df, tbl

Examples

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my_years <- 2013:2015
my_count_by_year_and_month_df <- fars_summarize_years(my_years)
my_count_by_year_and_month_df

Struya/mtrostR documentation built on May 15, 2019, 4:18 a.m.