## ----access_extdata------------------------------------------------------
system.file('extdata', 'accident_2013.csv.bz2', package = 'FARS')
system.file('extdata', 'accident_2014.csv.bz2', package = 'FARS')
system.file('extdata', 'accident_2015.csv.bz2', package = 'FARS')
## ----load_required_libraries---------------------------------------------
library(FARS)
library(maps)
## ----use_make_filename---------------------------------------------------
make_filename(2015)
make_filename("2013")
## ----use_fars_read-------------------------------------------------------
fars_read("accident_2015.csv.bz2")
## ----use_fars_read_years-------------------------------------------------
fars_read_years(2013:2015)
fars_read_years(2014)
## ----use_fars_summarize_years--------------------------------------------
fars_summarize_years(2013:2015)
fars_summarize_years(2014)
## ----use_fars_map_state--------------------------------------------------
fars_map_state(1,2015)
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