amadeus (version 1.2.3)

download_tri: Download toxic release data

Description

The download_tri() function accesses and downloads toxic release data from the U.S. Environmental Protection Agency's (EPA) Toxic Release Inventory (TRI) Program.

Usage

download_tri(
  year = c(2018L, 2022L),
  directory_to_save = NULL,
  acknowledgement = FALSE,
  download = FALSE,
  remove_command = FALSE,
  hash = FALSE
)

Value

• For hash = FALSE, NULL

• For hash = TRUE, an rlang::hash_file character.

• Comma-separated value (CSV) files will be stored in directory_to_save.

Arguments

year

character(1 or 2). length of 4. Year or start/end years for downloading data.

directory_to_save

character(1). Directory to download files.

acknowledgement

logical(1). By setting TRUE the user acknowledges that the data downloaded using this function may be very large and use lots of machine storage and memory.

download

logical(1). FALSE will generate a *.txt file containing all download commands. By setting TRUE the function will download all of the requested data files.

remove_command

logical(1). Remove (TRUE) or keep (FALSE) the text file containing download commands.

hash

logical(1). By setting TRUE the function will return an rlang::hash_file() hash character corresponding to the downloaded files. Default is FALSE.

Author

Mariana Kassien, Insang Song

References

web_usepa2024triamadeus

Examples

if (FALSE) {
download_tri(
  year = 2021L,
  directory_to_save = tempdir(),
  acknowledgement = TRUE,
  download = FALSE, # NOTE: download skipped for examples,
  remove_command = TRUE
)
}