Hi, On 08/07/14 13:58, Johannes Radinger wrote: > Hi, > > I've a point vector containing more than 500 points. > Some of these points are spatially clumped while > others are single independent points (from viewing the > map). Now I am wondering if there is any tool in > GRASS (or maybe other spatial-statistical software > like R) that can be used to group the data so that each > point clump is assigned to a group and each single group to its > own group. Of course, this needs a criterion where > to distinguish between groups/clusters. I'd like to have > groups that are separated by a distance of at least 5 km. > > Is there any recommendation of a simple or more > advanced procedure to do that? >
I think you are talking about hierarchical spatial cluster detection. There is an implementation of this in the free (but not open source) CrimeStat toolbox (.Net & Windows only - yuck). Perhaps R has something similar/identical? Best, Ben > All suggestions all welcome! Thanks! > > Best, > Johannes > > > _______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user > -- Dr. Benjamin Ducke, M.A. {*} Geospatial Consultant {*} GIS Developer [email protected] _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
