topic Re: Can you make a similarity or dissimilarity matrix in ArcMap using values extracted to points? in Data Management Questions https://community.esri.com/t5/data-management-questions/can-you-make-a-similarity-or-dissimilarity-matrix/m-p/247990#M14129 <HTML><HEAD></HEAD><BODY><P>Can you give us unfamiliar with the term "Euclidean similarity matrix" a simple description of what you're looking for? One sentence or less, please <IMG src="https://community.esri.com/legacyfs/online/emoticons/happy.png" /></P></BODY></HTML> Fri, 15 Apr 2016 19:55:56 GMT DarrenWiens2 2016-04-15T19:55:56Z Can you make a similarity or dissimilarity matrix in ArcMap using values extracted to points? https://community.esri.com/t5/data-management-questions/can-you-make-a-similarity-or-dissimilarity-matrix/m-p/247988#M14127 <HTML><HEAD></HEAD><BODY><P>I have three habitat metrics (bathymetry, distance to seagrass, distance to mangroves) at different locations and would like to create a (Euclidean) similarity matrix.</P></BODY></HTML> Fri, 15 Apr 2016 13:44:06 GMT https://community.esri.com/t5/data-management-questions/can-you-make-a-similarity-or-dissimilarity-matrix/m-p/247988#M14127 BrittanyBankovich 2016-04-15T13:44:06Z Re: Can you make a similarity or dissimilarity matrix in ArcMap using values extracted to points? https://community.esri.com/t5/data-management-questions/can-you-make-a-similarity-or-dissimilarity-matrix/m-p/247989#M14128 <HTML><HEAD></HEAD><BODY><P>If your data were cast as categorical and in raster format, then you could use <A href="http://desktop.arcgis.com/en/arcmap/latest/tools/spatial-analyst-toolbox/combine.htm" title="http://desktop.arcgis.com/en/arcmap/latest/tools/spatial-analyst-toolbox/combine.htm">Combine—Help | ArcGIS for Desktop</A>.&nbsp; If your data are from tabular sources or from a table in a featureclass/shapefile, then reclassification and categorization is indeed possible.&nbsp; There are simple solutions depending upon you level of comfort with existing arcmap tools, your available license, and/or you willness to work outside arcmap in numpy, scipy, pandas, matlab etc etc.</P><P>So you first task is to determine whether you are looking for a parametric or non-parametric statistical analysis, or simply a visual first approximation of spatial associations.&nbsp; From there you could consider some of the tools in the spatial statistics toolset as a 2nd goto.</P></BODY></HTML> Fri, 15 Apr 2016 14:00:07 GMT https://community.esri.com/t5/data-management-questions/can-you-make-a-similarity-or-dissimilarity-matrix/m-p/247989#M14128 DanPatterson_Retired 2016-04-15T14:00:07Z Re: Can you make a similarity or dissimilarity matrix in ArcMap using values extracted to points? https://community.esri.com/t5/data-management-questions/can-you-make-a-similarity-or-dissimilarity-matrix/m-p/247990#M14129 <HTML><HEAD></HEAD><BODY><P>Can you give us unfamiliar with the term "Euclidean similarity matrix" a simple description of what you're looking for? One sentence or less, please <IMG src="https://community.esri.com/legacyfs/online/emoticons/happy.png" /></P></BODY></HTML> Fri, 15 Apr 2016 19:55:56 GMT https://community.esri.com/t5/data-management-questions/can-you-make-a-similarity-or-dissimilarity-matrix/m-p/247990#M14129 DarrenWiens2 2016-04-15T19:55:56Z