GMM error: "log of a non positive number"
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GMM error: "log of a non positive number"
Hi, I am trying to estimate Euler equations by GMM and I receive the error message "log of a non positive number". Does anybody know how to resolve this? I've attached the workfile. Any help is seriously appreciated!
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- gmm.wf1
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startz
- Non-normality and collinearity are NOT problems!
- Posts: 3796
- Joined: Wed Sep 17, 2008 2:25 pm
Re: GMM error: "log of a non positive number"
Your variable congr has negative values. For some values of an exponent, a power of a negative number isn't defined. (square root of -1, for example). You might try changing starting values of the parameters, but I wouldn't be too optimistic.
Re: GMM error: "log of a non positive number"
How did u perform GMM estimation for Euler equation using eviews?
I need to khow that urgently! :(
I need to khow that urgently! :(
-
startz
- Non-normality and collinearity are NOT problems!
- Posts: 3796
- Joined: Wed Sep 17, 2008 2:25 pm
Re: GMM error: "log of a non positive number"
If it's really urgent, you might take a look at the extensive documentation on GMM in the help system.How did u perform GMM estimation for Euler equation using eviews?
I need to khow that urgently! :(
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