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Disaggregation of spatial data

Question asked by pweir on Oct 9, 2014

Hi Guys

 

Currently trying to have Australian Postcode Boundary data (House sales) aggregated down to SA1 boundary's (about 100 household). The SA1 have number of houses, so house_sales_cnt for Postcode should be proportion of SA1 House_Cnt's

 

I don't believe ArcGis "Spatial Join" can re-calculate on the fly based on attributes (eg House_cnts or area). Is there any other ArcGis tools that can?

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