This package is a Peer-graded Assignment for the course of Coursera: Building an R Package.
This package provides utility functions to view and plot data from the US National Highway Traffic Safety Administration's Fatality Analysis Reporting System. For more details visit: http://www.nhtsa.gov/Data/Fatality-Analysis-Reporting-System-(FARS)
In the following, all functions contained are described.
The make_filename
provides an easy way to create the filename required. Example:
fars_filename <- make_filename(2013)
Afterward you can use the fars_read
to read the data. Example
fars <- fars_read_years(years = 2015)
This function convert .csv.bz2 in tbl_df object.
fars_read_years is a simple function that filter data in function of the years.
fars_read_years
:
fars2015 <- fars_read_years(years = 2015)
You can Manipulating Data using fars_summarize_years
This function create a summary table with counts of a number of records for each month in specified years.
farssummary <- fars_summarize_years(2013:2015)
Finally, You can plot your map of the count of accidents in a specific state in a specific year using fars_map_state
.
library(mapdata) fars_map_state(10, 2013)
```
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.