This package allow you to import and summarize data from the Fatality Analysis Reporting System. You can also map the locations of accidents on a state map.
You can install this package directly from GitHub.
install.packages("devtools")
devtools::install_github("JayLKim/farsCoursera")
We need to assume that we already have downloaded a data file at the current working directory.
fars_read_years()
)If you input a vector of years, you can get a tibble
of all cases.
fars_read_years(c(2013, 2014))
#> [[1]]
#> # A tibble: 30,202 × 2
#> MONTH year
#> <int> <dbl>
#> 1 1 2013
#> 2 1 2013
#> 3 1 2013
#> 4 1 2013
#> 5 1 2013
#> 6 1 2013
#> 7 1 2013
#> 8 1 2013
#> 9 1 2013
#> 10 1 2013
#> # ... with 30,192 more rows
#>
#> [[2]]
#> # A tibble: 30,056 × 2
#> MONTH year
#> <int> <dbl>
#> 1 1 2014
#> 2 1 2014
#> 3 1 2014
#> 4 1 2014
#> 5 1 2014
#> 6 1 2014
#> 7 1 2014
#> 8 1 2014
#> 9 1 2014
#> 10 1 2014
#> # ... with 30,046 more rows
fars_summarize_years()
)This function summarizes the data you imported. It returns a tibble
representing the number of cases per month for a given year.
fars_summarize_years(c(2013, 2014, 2015))
#> # A tibble: 12 × 4
#> MONTH `2013` `2014` `2015`
#> * <int> <int> <int> <int>
#> 1 1 2230 2168 2368
#> 2 2 1952 1893 1968
#> 3 3 2356 2245 2385
#> 4 4 2300 2308 2430
#> 5 5 2532 2596 2847
#> 6 6 2692 2583 2765
#> 7 7 2660 2696 2998
#> 8 8 2899 2800 3016
#> 9 9 2741 2618 2865
#> 10 10 2768 2831 3019
#> 11 11 2615 2714 2724
#> 12 12 2457 2604 2781
fars_map_state()
)You can map the locations of accidents on a state map. Let's draw an accident map of Florida in 2013. (See this link for a state.num
)
fars_map_state(state.num = 12, year = 2013)
-1.png)
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