I am working on a project that maps out poverty rates (ACS data) by census tract. Many of the tracts have CV's that are just too high for our study and I am hoping for find a sound methodology in merging neighborhood tracts in hopes of lowering the CV's. At first, I arbitrarily chose which tracts to merge (neighboring tracts that also had high CV's) but I am wondering now if there is a more appropriate method for this. I know how to merge- I am wondering about how to choose which to merge.

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    I feel like I should know this, but what is the CV? – DPSSpatial Jun 14 '16 at 18:38
  • I suppose it is Coefficient of Variation. – cengel Jun 15 '16 at 17:19
  • Yes. The coefficient of variation. Our group follows a standard of not reporting figures with a CV higher than 30 – MeganG Jun 15 '16 at 19:52

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