topic Incremental Spatial Autocorrelation and Hot Spot Analysis in Spatial Statistics Questions https://community.esri.com/t5/spatial-statistics-questions/incremental-spatial-autocorrelation-and-hot-spot/m-p/740037#M2326 <HTML><HEAD></HEAD><BODY><SPAN>Hi, </SPAN><BR /><BR /><SPAN>I intend to apply a hot spot analysi (Gi*) for which I want to provide the optimal conceptualization of spatial relationship. </SPAN><BR /><SPAN>To get a hint on what might be the best suitable fixed distance band for my research purpose, I tried the tool Incremental Spatial Autocorrelatation. At that point the problem occurs: the results are just fine in case of proposed distance (z-score peak is around 50 meters which is OK) but the z-score is way too high! If I reduce the spatial extent of the analysis by running the script for a smaller amount of data or in better words, for a part of the data, the z-score decreases to appropriate value ranges (-1 til 3 or 4). </SPAN><BR /><BR /><SPAN>Any idea why this happens? Have I missed some detail here?</SPAN><BR /><SPAN>I attached the graphical result to clarify my problem.</SPAN><BR /><BR /><SPAN>Thanks in advance! Best regards</SPAN><BR /><SPAN>Florian</SPAN><BR /><BR /><SPAN> [ATTACH=CONFIG]31175[/ATTACH]</SPAN></BODY></HTML> Thu, 06 Feb 2014 09:27:22 GMT FlorianPrummer1 2014-02-06T09:27:22Z Incremental Spatial Autocorrelation and Hot Spot Analysis https://community.esri.com/t5/spatial-statistics-questions/incremental-spatial-autocorrelation-and-hot-spot/m-p/740037#M2326 <HTML><HEAD></HEAD><BODY><SPAN>Hi, </SPAN><BR /><BR /><SPAN>I intend to apply a hot spot analysi (Gi*) for which I want to provide the optimal conceptualization of spatial relationship. </SPAN><BR /><SPAN>To get a hint on what might be the best suitable fixed distance band for my research purpose, I tried the tool Incremental Spatial Autocorrelatation. At that point the problem occurs: the results are just fine in case of proposed distance (z-score peak is around 50 meters which is OK) but the z-score is way too high! If I reduce the spatial extent of the analysis by running the script for a smaller amount of data or in better words, for a part of the data, the z-score decreases to appropriate value ranges (-1 til 3 or 4). </SPAN><BR /><BR /><SPAN>Any idea why this happens? Have I missed some detail here?</SPAN><BR /><SPAN>I attached the graphical result to clarify my problem.</SPAN><BR /><BR /><SPAN>Thanks in advance! Best regards</SPAN><BR /><SPAN>Florian</SPAN><BR /><BR /><SPAN> [ATTACH=CONFIG]31175[/ATTACH]</SPAN></BODY></HTML> Thu, 06 Feb 2014 09:27:22 GMT https://community.esri.com/t5/spatial-statistics-questions/incremental-spatial-autocorrelation-and-hot-spot/m-p/740037#M2326 FlorianPrummer1 2014-02-06T09:27:22Z