topic Re: ZONAL STATISTICS in ArcGIS Spatial Analyst Questions https://community.esri.com/t5/arcgis-spatial-analyst-questions/zonal-statistics/m-p/610324#M8891 <HTML><HEAD></HEAD><BODY><P>each class/zone in a raster cannot be separated unless you perform a Regiongroup</P><P><A href="http://desktop.arcgis.com/en/arcmap/latest/tools/spatial-analyst-toolbox/region-group.htm" title="http://desktop.arcgis.com/en/arcmap/latest/tools/spatial-analyst-toolbox/region-group.htm">Region Group—Help | ArcGIS for Desktop</A> </P><P>Integer raster areas which are physically separated will share one record in the attribute table.&nbsp; Regiongroup separates the data providing a new classification scheme while retaining the old data.</P></BODY></HTML> Fri, 26 Feb 2016 17:24:25 GMT DanPatterson_Retired 2016-02-26T17:24:25Z ZONAL STATISTICS https://community.esri.com/t5/arcgis-spatial-analyst-questions/zonal-statistics/m-p/610323#M8890 <HTML><HEAD></HEAD><BODY><P><SPAN lang="en">Hello<BR />I wonder if it is possible in the zonal statistics how many polygons belong to a certain value ?<BR /><BR />for example , I have a shapelfile to 2000 polygons and a classified image , when I go in " zonal statistics " and choose the " majority " it generates polygons classified according to the picture, THE PROBLEM IS WHEN I GO THE TABLE ATTRIBUTES AND SCORE APPEARS somewhere around 300,000 . I would like to appear the number of polygons belonging to a certain value , for example 1800 poligos VALUE 1 and 200 polygons VALUE 2 , <BR />it's possible?<BR /><BR /><BR />thank you so much</SPAN></P></BODY></HTML> Fri, 26 Feb 2016 15:19:28 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/zonal-statistics/m-p/610323#M8890 AugustEagles 2016-02-26T15:19:28Z Re: ZONAL STATISTICS https://community.esri.com/t5/arcgis-spatial-analyst-questions/zonal-statistics/m-p/610324#M8891 <HTML><HEAD></HEAD><BODY><P>each class/zone in a raster cannot be separated unless you perform a Regiongroup</P><P><A href="http://desktop.arcgis.com/en/arcmap/latest/tools/spatial-analyst-toolbox/region-group.htm" title="http://desktop.arcgis.com/en/arcmap/latest/tools/spatial-analyst-toolbox/region-group.htm">Region Group—Help | ArcGIS for Desktop</A> </P><P>Integer raster areas which are physically separated will share one record in the attribute table.&nbsp; Regiongroup separates the data providing a new classification scheme while retaining the old data.</P></BODY></HTML> Fri, 26 Feb 2016 17:24:25 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/zonal-statistics/m-p/610324#M8891 DanPatterson_Retired 2016-02-26T17:24:25Z