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Re: st: using information in value labels
Thank you Quang.
I didn't know that command and it is helpful. It is quite an improvement on
physically recoding each variable. However, it requires me to scan about a
thousand variables and for each variable know what the missing codes are.
Admittedly most of them are 9/99/998 ..... but some may not be. And i
wouldn't be sure if it had worked without linear scan of the entire data
set.
From: "Quang Nguyen" <[email protected]>
Reply-To: [email protected]
To: [email protected]
Subject: Re: st: using information in value labels
Date: Mon, 12 Feb 2007 17:00:28 -1000
Dear Alex,
Can you have a look at the _mvencode_ command? Also, you may fin dthe
following helpful:
http://www.ats.ucla.edu/stat/stata/faq/missing_mvencode.htm
Have A Great Day!
On 2/12/07, Alexander Nervedi <[email protected]> wrote:
Hi
I have a complex survey dataset which has been helpfully cleaned - each
variable has its missing values coded with 9/99/999/999 or 98/998/9998
etc.
and things like Missing, Did not respond, refused to answer etc. are all
coded in as value labels.
I would like to treat all of these as missing and want to run a loop as
follow
local allvars x1 ... x100
foreach var of local allvars{
label list `var'
*pseudo code follows
scan label to see which levels include - "Missing", "missing", "did not
respond", etc
for each level `i' {
recode `var' (`i' = .)
}
}
I was wondering if this is something that could be reasonably be
implemented.
Saludos!
Alex
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