hi all I'm having problems, an IDW interpolation with the gstat package,
using:

*pruebar <- idw(grado~1, prueba, prueba,  idp = 2.0)*

and when I create an image:

*writeGDAL(pruebaR,"prueba.tiff",type="Float32",driver="GTiff")*

get the following error

*Error: gridded(dataset) is not TRUE*


how I can correct this error??.

thanks for your help and time.


Ricardo Rodríguez
Univalle

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