Process toxic release data — process

This function imports and cleans raw toxic release data, returning a single SpatVector (points) object for the selected year.

Usage

process_tri(
  path = NULL,
  year = 2018,
  variables = c(1, 13, 12, 14, 20, 34, 36, 47, 48, 49),
  extent = NULL,
  ...
)

Arguments

path: character(1). Path to the directory with TRI CSV files
year: integer(1). Single year to select.
variables: integer. Column index of TRI data.
extent: numeric(4) or SpatExtent giving the extent of the raster if NULL (default), the entire raster is loaded
...: Placeholders.

Value

a SpatVector object (points) in year year is stored in a field named "year".

Note

Visit TRI Data and Tools to view the available years and variables.

References

https://www.epa.gov/toxics-release-inventory-tri-program/tri-data-and-tools

Author

Insang Song, Mariana Kassien

Examples

## NOTE: Example is wrapped in `\dontrun{}` as function requires a large
##       amount of data which is not included in the package.
if (FALSE) { # \dontrun{
tri <- process_tri(
  path = "./data",
  year = 2020,
  variables = c(1, 13, 12, 14, 20, 34, 36, 47, 48, 49)
)
} # }