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RE: st: Repeated time values within panel in levpet STATA output


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: Repeated time values within panel in levpet STATA output
Date   Sun, 28 Feb 2010 19:46:49 +0100

<>


I used to think so, too, but note how this works w/o a hitch:


*******
sysuse auto, clear
encode make, gen (mymake)
*******

No error message there, right?

HTH
Martin

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of
sjsamuels@gmail.com
Sent: Sonntag, 28. Februar 2010 19:43
To: statalist@hsphsun2.harvard.edu
Subject: Re: st: Repeated time values within panel in levpet STATA output

I don't know if this is the cause of your problem, but the syntax
which made it to the list in incorrect.  There should no spaces
between options and values: e.g. "proxy(lnpower)", not "proxy
(lnpower)".

Steve



On Sun, Feb 28, 2010 at 3:09 AM, Worku Gebeyehu <workugeb@yahoo.com> wrote:
> Dear Sir/Madam,
> I am a PhD student doing my research on TFP of a panel of firms for the
period 1996 to 2007 and the total number of observations are 8395. I have
been trying to excute the following levpet command.
> levpet lny , free(lnl2 lnirm lnlrm) proxy (lnpower) capital (lnk) revenue
justid grid i (eid) t (yr) reps (50)
>
> However, I have been facing a problem of 'repeated time values within
panel'
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