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Aug
9
comment How to cluster points based on a kernel density?
And also posted by me, as it turns out.
Aug
9
comment How to cluster points based on a kernel density?
Using a threshold probably won't work here, as I am trying to distinguish centers from other centers immediately adjacent. In the city core, the boundary between the two will have a very high density, but in the suburban fringe, it will have a very low density. But I am hoping that using the second derivative will be effective.
Aug
9
comment How to cluster points based on a kernel density?
Yes, that is a very relevant discussion! I am reading through your MSc thesis and will try out some of the methods.
Aug
9
awarded  Supporter
Aug
9
comment How to cluster points based on a kernel density?
You are right that the points are centroids, but unfortunately the dataset was compiled by others from each county's parcel layer and only distributed as points. But SatScan looks like a very useful piece of software, so I will keep t in mind for other applications.
Aug
9
awarded  Student
Aug
9
asked How to cluster points based on a kernel density?
Aug
4
comment How can one execute an SQL script in field calculator in ArcGIS 10?
Oh, I just found a similar tool within ArcGIS: Data Management > Table > Pivot Table. give that a shot too.
Aug
3
comment How can one execute an SQL script in field calculator in ArcGIS 10?
Export the table to text or Excel format, open in Calc, and see if Data Pilot will work.
Aug
3
comment How can one execute an SQL script in field calculator in ArcGIS 10?
I'm not sure - I haven't used Base. Another question (stackoverflow.com/questions/1946234/…) reminded me of something. If you can get stat_fin into Calc, you may be able to use the Data Pilot tool to create your columns. Then you'd be able to link the new table to your shapefile.
Aug
3
awarded  Teacher
Aug
3
answered How can one execute an SQL script in field calculator in ArcGIS 10?