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Download STATS19 data for a year

Source: R/dl.R
dl_stats19.Rd

Download STATS19 data for a year

Usage

dl_stats19(
  year = NULL,
  type = NULL,
  data_dir = get_data_directory(),
  file_name = NULL,
  ask = FALSE,
  silent = FALSE
)

Arguments

year

A year matching file names on the STATS19 data release page e.g. 2020

type

One of 'Accident', 'Casualty', 'Vehicle'; defaults to 'Accident'. Or any variation of to search the file names with such as "acc" or "accid".

data_dir

Parent directory for all downloaded files. Defaults to tempdir().

file_name

The file name (DfT named) to download.

ask

Should you be asked whether or not to download the files? TRUE by default.

silent

Boolean. If FALSE (default value), display useful progress messages on the screen.

Details

This function downloads and unzips UK road crash data. It results in unzipped .csv files that are put in the temporary directory specified by get_data_directory() or provided data_dir.

The file downloaded would be for a specific year (e.g. 2017). It could also be a file containing data for a range of two (e.g. 2005-2014).

The dl_* functions can download many MB of data so ensure you have a sufficient internet access and hard disk space.

See also

get_stats19()

Examples

# \donttest{
if(curl::has_internet()) {
# type by default is accidents table
dl_stats19(year = 2017)
# try another year
dl_stats19(year = 2018)
}
#> More than one file found, selecting the first.
#> Files identified: dft-road-casualty-statistics-casualty-2017.csv
#>    https://data.dft.gov.uk/road-accidents-safety-data/dft-road-casualty-statistics-casualty-2017.csv
#> Attempt downloading from: https://data.dft.gov.uk/road-accidents-safety-data/dft-road-casualty-statistics-casualty-2017.csv
#> More than one file found, selecting the first.
#> Files identified: dft-road-casualty-statistics-casualty-2018.csv
#>    https://data.dft.gov.uk/road-accidents-safety-data/dft-road-casualty-statistics-casualty-2018.csv
#> Attempt downloading from: https://data.dft.gov.uk/road-accidents-safety-data/dft-road-casualty-statistics-casualty-2018.csv
#> NULL
# }