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Colinearity Problem, Only one equation!!!

PostPosted: Thu Jun 27, 2013 10:29 pm
by mghazias
Hi every one,
how is it possible that there is colinearity between bunch of variables, and there is only one colinear equation?

Re: Colinearity Problem, Only one equation!!!

PostPosted: Sun Jul 07, 2013 9:33 am
by jpfeifer
Coud you post an example?

Re: Colinearity Problem, Only one equation!!!

PostPosted: Sun Jul 07, 2013 2:34 pm
by mghazias
Here is my two country model I have told you about,
Thanks a lot.

Re: Colinearity Problem, Only one equation!!!

PostPosted: Sun Jul 07, 2013 7:08 pm
by jpfeifer
The reason is numerical. A computer always has to make a decision what to take as 0, even if it is not exactly 0. If you look into model_diagnostics, you will see that some choices have to be made what to count as singular as opposed to close to singular. The output of model_diagnostics should thus be seen as providing guidelines what to look at. You should not interpret it as a strict analytical statement.

Re: Colinearity Problem, Only one equation!!!

PostPosted: Sun Jul 07, 2013 7:16 pm
by mghazias
Thanks,
I am removing the rigidities to find the problem.