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Why does the mean of a raster have the value "nan"?

Question asked by hillel on Apr 17, 2019
Latest reply on Apr 17, 2019 by jborgion

I used the tool Calculate Statistics on a few raster files. With most of them I got useful values for Min, Max, Mean and Std dev. But for 4 of them the Mean and Std dev. row only show the value "nan" while Min and Max are displayed properly. Do you have any advice how to fix the issue or an idea for another way to get the mean of a raster file?


Thank you very much!