createGrid produces empty grid which can be used as the basis to help
compute AOO.
createGrid(input.data, grid.size)A regular grid raster with extent input.data and grid size
grid.size. Each grid square has a unique identification number.
Spatial object of an ecosystem or species distribution. Please use a CRS with units measured in metres.
A number specifying the width of the desired grid square (in same units as your coordinate reference system)
Nicholas Murray murr.nick@gmail.com, Calvin Lee calvinkflee@gmail.com
Bland, L.M., Keith, D.A., Miller, R.M., Murray, N.J. and Rodriguez, J.P. (eds.) 2016. Guidelines for the application of IUCN Red List of Ecosystems Categories and Criteria, Version 1.0. Gland, Switzerland: IUCN. ix + 94pp. Available at the following web site: https://iucnrle.org/
Other AOO functions:
getAOOSilent(),
getAOO(),
makeAOOGrid()