Spatial Tools - Does my data need to follow a normal distribution?

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02-25-2014 11:33 AM
WestWing
New Contributor
Hello,

I'm preparing a large data set to test several spatial analysis tools. But after reviewing the statistics behind some of these functions I was wondering if my data set needs to be normally distributed?  My data (which is ready to go and geocoded), does not follow a normal distribution and I have been using non-parametric statistics to date.

Can the spatial tools in ArcGIS (like clustering and hot spot analysis) be done using non-parametric data or should I transform the data so it is normal before proceeding?
Any help would be very valuable!!

Thank you.
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