rasterLayer: SpatRaster-class , RasterLayer-class , SpatialGrid-class or SpatialPixels-class ; Raster that contains NAs.
maskPol: sf-class , SpatVector-class , SpatialPolygons or SpatialPolygonsDataFrame ; Area of interest to spatially fill rasterLayer missing values and to mask rasterLayer.
nmax: see krige , idw function.
zcol: integer or character; variable column name or number showing position of a variable in rasterLayer to be interpolated.
...: arguments passed to krige , idw function.
Returns
raster object with NA replaced using IDW in rasterLayer format.
Kilibarda, M., T. Hengl, G. B. M. Heuvelink, B. Graeler, E. Pebesma, M. Percec Tadic, and B. Bajat (2014), Spatio-temporal interpolation of daily temperatures for global land areas at 1 km resolution, J. Geophys. Res. Atmos., 119, 2294-2313, doi:10.1002/2013JD020803;
Kilibarda M., M. Percec Tadic, T. Hengl, J. Lukovic, B. Bajat - Spatial Statistics (2015), Global geographic and feature space coverage of temperature data in the context of spatio-temporal interpolation, doi:10.1016/j.spasta.2015.04.005.