There is an example in the manual using the -vhet- option.
Scott
> -----Original Message-----
> From: [email protected] [mailto:owner-
> [email protected]] On Behalf Of Carlos de Los Rios
> Sent: Monday, May 16, 2005 4:07 PM
> To: [email protected]
> Subject: st: using uhet with frontier
>
> Dear statalisters,
>
> I am working in estimating the Technical Efficiency for cotton in the
> peruvian coastal valleys. I am using the "uhet" command from FRONTIER
> in order to address for heteroskedasticity in the half-normal error
> term. But I am trying to interpret the coefficients... any suggestions?
>
> Thanks very much,
>
> Carlos DLR
> Researcher
> Ministry of Agriculture, PERU
>
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