"No valid observations in equation"

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jpk
Posts: 6
Joined: Tue Aug 16, 2011 4:01 am

"No valid observations in equation"

Postby jpk » Wed Aug 31, 2011 1:55 pm

Hi,

In the attached workfile, when I try to estimate the system "EZ" by GMM I receive the error message "No valid observations in equation". Could somebody please explain what exactly this means and how I can resolve it? Any assistance is well 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: "No valid observations in equation"

Postby startz » Wed Aug 31, 2011 2:31 pm

You probably have bad starting values for the c parameters.
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