Statalist


[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]

Re: st: Test for heteroskedasticity in panel data


From   "Stas Kolenikov" <[email protected]>
To   [email protected]
Subject   Re: st: Test for heteroskedasticity in panel data
Date   Tue, 29 Jul 2008 11:53:46 -0500

The conlcusion is that something is wrong, and something did not work
properly. First of all, a chi-square should be a positive value.
Second, are you sure you used 73 parameters to model
heteroskedasticity?

Uspexov.

On 7/29/08, Vasilenko Alexander <[email protected]> wrote:
> Hello statalits,
>
>  I'm analyzing a panel data and performed an lrtest according to advice on http://www.stata.com/statalist/archive/2007-05/msg00044.html
>
>  I've got the following ouptut in STATA:
>
>
>   lrtest hetero . , df(`df')
>  (log-likelihoods of null models cannot be compared)
>
>  likelihood-ratio test                                  LR chi2(73) =   -277.70
>  (Assumption: . nested in hetero)                       Prob > chi2 =    1.0000
>
>  So, what is the conclusion?
>
>  Regards,
>  Vasilenko Alexander.



-- 
Stas Kolenikov, also found at http://stas.kolenikov.name
Small print: I use this email account for mailing lists only.
*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/



© Copyright 1996–2024 StataCorp LLC   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index