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Download the traffic accident data

download_accident_data.Rd

download_accident_data() downloads the file of traffic accident data provided the National Police Agency.

Usage

download_accident_data(type, download_dir = getwd(), years = 2023)

Arguments

type

A character string specifying the type of data to download: one of "main", "supp", or "highway".

download_dir

A character string specifying the directory to save the downloaded files (default: getwd()).

years

An integer or vector of integers specifying the years of the data to download. Available years are 2019 to 2023 (default: 2023).

Value

A character vector of file paths for the downloaded files (invisibly).

Details

The traffic accident data are divided into the following types:

  • "main" : Basic data on traffic accidents (honhyo).

  • "supp" : Additional data related to the "main" data (hojuhyo).

  • "highway" : Data on traffic accidents on highways (kosokuhyo).

Use the type argument to specify which data type to download.

Examples

if (FALSE) { # \dontrun{
# Download the main data for 2023
download_accident_data("main", "download-dir-path", 2023)

# Download the supplementary data for 2023
download_accident_data("supp", "download-dir-path", 2023)

# Download the highway data for 2019 to 2023
download_accident_data("highway", "download-dir-path", 2019:2023)
} # }