Statalist


[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]

Re: st: Deleting Characters of a Var Name by index Number


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Deleting Characters of a Var Name by index Number
Date   Thu, 1 May 2008 21:10:32 +0100 (BST)

--- Kyle Caswell <caswellk83@hotmail.com> wrote:
> I would like to write a macro that renames variables by deleting a
> specific character of a variable name for a group of variables.
> 
> For example, suppose that I have variables X31 X42 X53 and so on.   I
> would like to wite a macro that does something like the following:
> 
> foreach var of varlist X31 X42 X53{
>     rename `var' = [X and only the second to last character from the
> *left* 
> of `var']
> }
> 
> That is, X31 would then be renamed X1 and X42 would be X5 and so on.

What about:

*------------ begin example -------------------
foreach var in X31 X42 X53 {
	local rest = substr("`var'", 3, .)
	di "X`rest'"
}
*------------ end example ---------------------
(For more on how to use examples I sent to the Statalist, see
http://home.fsw.vu.nl/m.buis/stata/exampleFAQ.html )

Hope this helps,
Maarten

-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands

visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434

+31 20 5986715

http://home.fsw.vu.nl/m.buis/
-----------------------------------------


      __________________________________________________________
Sent from Yahoo! Mail.
A Smarter Email http://uk.docs.yahoo.com/nowyoucan.html
*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/



© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index