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st: RE: RE: tabulation of variables


From   "Banya, Winston" <w.banya@ic.ac.uk>
To   "'statalist@hsphsun2.harvard.edu'" <statalist@hsphsun2.harvard.edu>
Subject   st: RE: RE: tabulation of variables
Date   Mon, 23 Sep 2002 16:19:42 +0100

Thanks Nick but I am not sure if I am getting it right. The 'd' is among the
variables just likje a b or c but a b and c do not have missing values and
in a way are unique. So imagine that my variables are labelled 1-50 and 1-3
do not have missing values, then starting with variable 4  to variable 50 I
want all the 1-3 that have missing values in variables 4 - 50 but one at at
time in a single command. I want 1-3 listed for missing values in 4, 5, 6
etc one at a time.

Winston Banya

-----Original Message-----
From: Nick Winter [mailto:nwinter@policystudies.com]
Sent: 23 September 2002 16:12
To: statalist@hsphsun2.harvard.edu
Subject: st: RE: tabulation of variables


Assuming you want to do this:

	tabulate a if d==.
	tabulate b if d==.
	tabulate c if d==.

for each of many variables d, the following code wil do it for you:

	foreach v1 of varlist <list of 'd' variables> {
		foreach v2 of varlist a b c {
			tab `v2' if `v1'==.
		}
	}

Nick Winter

> -----Original Message-----
> From: Banya, Winston [mailto:w.banya@ic.ac.uk] 
> Sent: Monday, September 23, 2002 11:06 AM
> To: 'statalist@hsphsun2.harvard.edu'
> Subject: st: tabulation of variables
> 
> 
> Dear All,
> 
> I am working on a dataset with several variables ( more than 
> 50) and I want
> list missing values in terms of 3 variables. For example if 
> variable d has
> missing values, then I will want to list all the a, b or c 
> for which d is
> missing. I want to issue just one command to do that for me 
> rather doing it
> for one variable at a time. Can someone please show me how to do it?
> 
> 
> Winston Banya
> Care of The Elderly Section
> Imperial College School of Medicine
> Hamersmith Hospital Campus
> Du Cane Road
> London W12 0NN
> 
> Tel: (+44) 0208 383 4284
> Fax: (+44) 0208 383 3378
> Email: w.banya@ic.ac.uk
> 
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