download_tri: Download toxic release data

In amadeus: Accessing and Analyzing Large-Scale Environmental Data

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
)

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.

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.

Author(s)

Mariana Kassien, Insang Song

References

\insertRef

web_usepa2024triamadeus

Examples

## Not run: 
download_tri(
  year = 2021L,
  directory_to_save = tempdir(),
  acknowledgement = TRUE,
  download = FALSE, # NOTE: download skipped for examples,
  remove_command = TRUE
)

## End(Not run)

amadeus documentation built on April 4, 2025, 12:21 a.m.