We'll use the Hot Spot Analysis tool to generate two hot spot maps: one for all sales in the metropolitan area and another for sales within a range of $250,000 to $400,000:
- If necessary, open ArcMap with the SanAntonioRealEstate map document.
- Open the Hot Spot Analysis tool.
- The ZillowNeighborhoods_SA_Prj layer has a NormCnt field that was created in the Data preparation section of this chapter. This field was calculated by dividing the contents of the Count_ field (the total number of residential sales by neighborhood) by the AREA field. Select the ZillowNeighborhoods_SA_Prj layer as Input Feature Class, and NormCnt as Input Field along with the other parameters you see in the following screenshot. Remember ...