topic Interpreting weighted kernel density results in Spatial Statistics Questions https://community.esri.com/t5/spatial-statistics-questions/interpreting-weighted-kernel-density-results/m-p/620134#M1979 <HTML><HEAD></HEAD><BODY><SPAN>The attached image shows a kernel density estimate based on tree locations.&nbsp; A population field was used which included tree height and the search distance was set to approximately 5.64 m.&nbsp; I am having a hard time trying to justify/explain the units on the output, especially since the ground-based average tree height is 0.59 meters.&nbsp; The </SPAN><A href="http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#/How_Kernel_Density_works/009z00000011000000/">documentation</A><SPAN> states that if a population field is specified, the population value will be used to weight the KDE.&nbsp; For example, if I assign the population field to "Tree Height (m)" a tree that is 3m tall will be counted 3 times for the KDE.</SPAN><BR /><BR /><OL><BR /><LI>Is it appropriate to weight the KDE based on tree height?</LI><BR /><LI>What do the actual values mean in the attached graphic?&nbsp; Are these points estimates of average tree height in a given area?</LI><BR /></OL><BR /><BR /><SPAN>[ATTACH=CONFIG]20915[/ATTACH]</SPAN></BODY></HTML> Mon, 21 Jan 2013 12:40:07 GMT AaronPoznanovic 2013-01-21T12:40:07Z Interpreting weighted kernel density results https://community.esri.com/t5/spatial-statistics-questions/interpreting-weighted-kernel-density-results/m-p/620134#M1979 <HTML><HEAD></HEAD><BODY><SPAN>The attached image shows a kernel density estimate based on tree locations.&nbsp; A population field was used which included tree height and the search distance was set to approximately 5.64 m.&nbsp; I am having a hard time trying to justify/explain the units on the output, especially since the ground-based average tree height is 0.59 meters.&nbsp; The </SPAN><A href="http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#/How_Kernel_Density_works/009z00000011000000/">documentation</A><SPAN> states that if a population field is specified, the population value will be used to weight the KDE.&nbsp; For example, if I assign the population field to "Tree Height (m)" a tree that is 3m tall will be counted 3 times for the KDE.</SPAN><BR /><BR /><OL><BR /><LI>Is it appropriate to weight the KDE based on tree height?</LI><BR /><LI>What do the actual values mean in the attached graphic?&nbsp; Are these points estimates of average tree height in a given area?</LI><BR /></OL><BR /><BR /><SPAN>[ATTACH=CONFIG]20915[/ATTACH]</SPAN></BODY></HTML> Mon, 21 Jan 2013 12:40:07 GMT https://community.esri.com/t5/spatial-statistics-questions/interpreting-weighted-kernel-density-results/m-p/620134#M1979 AaronPoznanovic 2013-01-21T12:40:07Z