Create an SF object for eBird Observations — make_ebird

Converts eBird (preferably zero-filled data) into a simple features spatial object.

make_ebird_spatial(
  df,
  crs.target,
  dir.out = NULL,
  grid = NULL,
  overwrite = FALSE
)

Arguments

df: A data frame with columns c(latitude, longitude) and optional attributes (columns).
crs.target: the integer representing the target CRS.
dir.out: path to where the resulting spatial data frame will be saved. If NULL will not save to file.
grid: a spatial grid over which the eBird data will be overlaid.
overwrite: logical if TRUE will overwrite any existing file named "ebird_spatial.rds" in path dir.out