I need to cluster point data into equal sized groups. I have 180 points and want to create 3 groups each containing 60 points. The groups should contain points which are close to each other. Is there anyway to do this using either ArcGIS or other GIS free software. I would prefer not to use python unless anyone has a link to the script that can be copied and pasted in.
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Welcome to GIS:SE @annesugrue! In ArcGIS, there is the Grouping Analysis tool which allows you to group points based on a number of parameters such as proximity, number of nearest neighbours etc. Although I think this is only for the Pro license. Ideally, you should focus your question to one GIS software =)– JosephCommented Apr 5, 2016 at 10:17
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Yes I have looked at the Grouping Analysis, however it doesn't allow me to specify the exact number per group.– anne sugrueCommented Apr 5, 2016 at 10:21
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Maybe this post might help for QGIS: How to group points in QGIS?– JosephCommented Apr 5, 2016 at 10:31
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Welcome to GIS SE! As a new user please take the Tour where you will see that there should be only one question asked per question. By asking for QGIS and/or ArcGIS answers here you are effectively asking two questions. Please use the edit button beneath your question to focus it on one or the other.– PolyGeo ♦Commented Apr 5, 2016 at 11:11
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1@annesugrue concave plugin is my baby ;-) Could you please file an issue concering these installation problem? There are several reason for installation problems in general, most of them discussed on SE. I have running Qgis 2.8.7 and 2.14 on Windows 7, and have not encountered these problems. Yes, on Linux as with all plugins having a GUI. But you cannot specify the exact number of cluster members, only the minimum number for features to be recognized as individual cluster.– DetlevCommented Apr 5, 2016 at 11:55
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