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Re: st: DEA error massage
From
Roberto Ferrer <[email protected]>
To
Stata Help <[email protected]>
Subject
Re: st: DEA error massage
Date
Sat, 16 Nov 2013 14:24:51 -0430
By the way, you are asked in the FAQ
(http://www.stata.com/support/faqs/resources/statalist-faq/#advice) to
state where user-written commands come from.
-dea- is a user-written command from
The Stata Journal
Volume 10 Number 2: pp. 267-280
Data envelopment analysis
Yong-bae Ji
Choonjoo Lee
Run -findit dea- to download.
On Sat, Nov 16, 2013 at 9:41 AM, Anat (Manes) Tchetchik
<[email protected]> wrote:
> Dear all,
>
> I'm trying to run DEA with a panel of 150 hospitals.
> As an illustration, to get an idea of how it works, I tried the
> example provided by Scott Merryman in this forum:
>
> sysuse auto,clear
> keep in 1/5
> rename make dmu
> dea length weight = mpg, saving(deaout)
> use deaout,clear
> tobit theta price, ul(1)
>
> But immediately after the command: dea length weight = mpg, saving(deaout) :
> I receive:
> too few variables specified
> Any idea what might be the reason?
> I have installed all the files under findit dea
>
> Thanks in advance,
> Anat Tchetchik, PhD
> Department of Business Administration
> Guilford Glazer Faculty of Business and Management
> Ben-Gurion University of the Negev
> P.O.Box: 653
> Beer-Sheva, Israel, 84105
>
> E-mail: [email protected]
> Phone 972-(0)8-6479735
> Fax: 972-(0)8-6472920
> *
> * For searches and help try:
> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/faqs/resources/statalist-faq/
> * http://www.ats.ucla.edu/stat/stata/
*
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