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st: Re: Create dummy


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: Re: Create dummy
Date   Thu, 20 Nov 2008 00:02:45 +0100

Well, if it is a -double- then you cannot match it with a string in the -if- qualifier. I bet it is -label-led, so look for the underlying numeric code for "no" via -ta b8, nolabel- and say

replace quality = 1 if b8==0

(if 0 is labelled "no")

HTH
Martin
_______________________
----- Original Message ----- From: <mmolina@uniroma3.it>
To: <statalist@hsphsun2.harvard.edu>
Sent: Wednesday, November 19, 2008 11:33 PM
Subject: st: Create dummy


Dear Statlist,
I need to create a dummy from a double variable (sí, no, no sabe)
I wrote:
gen quality = 0
replace quality = 1 if b8=="no"

And I received the message

type mismatch
r(109);

What should I do?

Thanks and regards,
Alejandra Molina



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