|
|  |
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]
st: RE: Dear Statlisters,
-frontier- does automatically test if there is no technical inefficiency
components. It is reported at the bottom of the output "...test of
sigma_u=0..." when the default half-normal distribution is used.
See [R] frontier for more details.
Scott
> -----Original Message-----
> From: [email protected] [mailto:owner-
> [email protected]] On Behalf Of Yi Sun
> Sent: Tuesday, September 05, 2006 8:14 PM
> To: [email protected]
> Subject: st: Dear Statlisters,
>
> Dear Statlisters,
>
> i have encountered a few problems of carrying out the log likelihood test
> (lrtest) to determine whether the technical inefficiency exists in my
> model. I believe i will need to carry out an OLS estimate of my model,
> which uses the log likelihood statistic there in order to compute the
> statistic = -2 *{ln[L(H0)]-ln[L(H1)]}. On the other hand, i am wondering
> if there is a common that enables the frontier output to be worked out
> directly. Many thanks.
*
* 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/
