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Re: st: RE: truncate variable names


From   SCHOUMAKER Bruno <bruno.schoumaker@uclouvain.be>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: truncate variable names
Date   Mon, 26 Jul 2010 16:54:32 +0200

Thanks a lot !

I agree it may seem a bad idea; Actually, I had a program running with variables names truncated to 8 characters (exported from SPSS using an old stat/transfer version) - I received a new data set (same data, but with additional observations), exported from SPSS with a new version of stat/transfer, but with variables names longer than 8. And it would save me a lot of time if I could just re run the syntax with exactly the same variable names...

Best,

Bruno



Le 26/07/2010 16:43, Nick Cox a écrit :
renvars, trim(8)

where -renvars- is downloadable from the SJ files. -search renvars- for
precise location.

Note that the first principles solution

foreach v of var * {
	local new = substr("`v'", 1, 8)
	rename `v' `new'
}

is more instructive about principles but will fail part-way through if
two or more variable names have the same first 8 characters. -renvars-
warns you of that problem in advance, so that you can rethink strategy.

By the way, this strikes me as mostly a bad idea unless you are
exporting to some other software that requires it.

Nick
n.j.cox@durham.ac.uk

SCHOUMAKER Bruno

I would like to truncate the variable names of my dataset to 8
characters.

Does anybody know how I can do that in Stata ?


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--
Bruno SCHOUMAKER

Centre de recherche en démographie et sociétés
Université catholique de Louvain
1-17 PLace Montesquieu
1348 Louvain-la-Neuve
BELGIUM

Tel. +32 10 474136
Fax. +32 10 472952

bruno.schoumaker@uclouvain.be
www.uclouvain.be/demo

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