What about using the -findit- command and searching on Statalist's previous posts before flooding the list with questions that you may easily answer yourself?
Try -bpagan-, -whitetst-, -ivactest- (from ssc) and have a look at -regress_postestimation-
Nicola
At 02.33 27/10/2007 -0400, "dora sepour" wrote:
>Dear Stata users,
>I found no individual effects (fixed or random). So i estimated a pooled
>regression (OLS). But what are the tests of heteroskedasticity and
>correlation of residuals? (which commands?).
>
>Thanks for your time,
>Best regards,
>Dora
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
