[Openspace] Weight matrix problem?
galvis at uiuc.edu
Sun Nov 18 20:42:49 CST 2007
The reason for which Geoda crashes when using KNN is because in the
package the spatial regression is not programmed to work with
asymmetric weight matrices. See previous posts on this matter:
On Nov 16, 2007 9:27 PM, Frank Goetzke <f0goet01 at louisville.edu> wrote:
> I am using the nearest neighbors weight matrix, and it looks like that it uses sometimes the own record as its first nearest neighbor but sometimes not. If that is the case then the distance is 0. I assume that this is a problem, because my regression computation always crashes, but it does not for a different weight matrix without zeros. What can I do to fix this problem?
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