cell statistics error

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08-06-2013 12:32 PM
SThompson
New Contributor
Hello
I am trying to calculate the standard deviation of a stack of 45 raster image files. I initally tried writing a simple script using Arcpy, but the results were not what I expected (values were very large and non-sensical). My script was identical to ones I used for calculating the sum and mean of the same rasters. The scripts worked perfectly. But when I replaced "sum" or "mean" with "STD", there was a problem.

I decided to try to compare the output from within ArcGIS because of something I found online indicating it may be a bug with python (http://gis.stackexchange.com/questions/8780/spatial-analyst-cell-statistics-seems-to-give-the-wrong-...)
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