I did an interpolation of soil pH using 232 data points in geostatistical analyst with IDW, RBF and ordinary kriging. For all 3 methods, the range of pH values change (become smaller) after I export the geostatistical layers to raster. I understand that has something to do with the way values are calculated per cell in raster, but is there a way I could keep the pH range in the output raster?
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