A geotiff file (CRS: UTM zone 17S; EPSG:32717) with 117 rows and 117 columns:
dem Digital elevation model (ASTER GDEM, LP DAAC 2012), see also [spDataLarge::dem].
ndvi Normalized Differenced Vegetation index.
carea Catchment area.
cslope Catchment slope
The data is used in the "Ecology" chapter in Geocomputation with R. See https://geocompr.robinlovelace.net/eco.html for details.
A geotiff file
LP DAAC (2012): Land Processes Distributed Active Archive Center, located at the U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center. Available at: https://lpdaac.usgs.gov/ (last accessed 25 January 2012).
Muenchow, J., Brauning, A., Rodriguez, E.F. & von Wehrden, H. (2013): Predictive mapping of species richness and plant species' distributions of a Peruvian fog oasis along an altitudinal gradient. Biotropica 45, 5, 557-566, doi: 10.1111/btp.12049.
Muenchow, J., Schratz, P., and A. Brenning. 2017. RQGIS: Integrating R with QGIS for Statistical Geocomputing. The R Journal 9, 2, 409-428. https://rjournal.github.io/archive/2017/RJ-2017-067/RJ-2017-067.pdf.
system.file("raster/ep.tif", package = "spDataLarge")
#> [1] "/home/runner/work/_temp/Library/spDataLarge/raster/ep.tif"