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Re: st: nl: missing standar error
From
"JVerkuilen (Gmail)" <[email protected]>
To
[email protected]
Subject
Re: st: nl: missing standar error
Date
Tue, 18 Sep 2012 13:17:17 -0400
On Tue, Sep 18, 2012 at 9:32 AM, <[email protected]> wrote:
> --- Jay wrote:
>> Is the affected coefficient oddly large or very close
>> to 0?
>
> The affected coefficient is very very large in comparion to the unaffected coefficients.
You have an unidentified or barely identified model. The standard
error is undefined because there's an overflow. As to how to identify
it... hmmm. Good question! It has to be done in a way that respects
the substantive question you have. That's not easy. Do you have a good
statistician available to you locally?
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