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st: AW: option error for rollreg function


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: AW: option error for rollreg function
Date   Mon, 29 Jun 2009 15:30:08 +0200

<> 

Also note that the official -rolling- overlaps in terms of functionality
with Kit`s -rollreg-. See the author`s own take on the issue here:
http://www.stata.com/statalist/archive/2006-02/msg00578.html



HTH
Martin


-----Ursprüngliche Nachricht-----
Von: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] Im Auftrag von Benjamin
Volland
Gesendet: Montag, 29. Juni 2009 15:16
An: statalist@hsphsun2.harvard.edu
Betreff: st: option error for rollreg function

Hi statalists,

I've tried to run the rollreg function on some simple data of mine and 
always got a

option / required
r(198);

error message.
Being slightly frustrated after a little while I tried the illustration 
provided by Baum (2006) and stumbled upon the very same problem, i.e.

. webuse wpi1, clear
. g t2 = t ^2
. rollreg D.wpi t t2, move(24) stub(wpiM) graph(summary)
option / required
r(198);

Does anyone have a clue what (probably very obvious lapse) I am missing 
here? Thanks so much.

Ben
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