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Re: st: RE: foreach to renumber vars


From   "B. Timothy Walsh" <btw1@columbia.edu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: foreach to renumber vars
Date   Tue, 07 Sep 2010 12:56:07 -0400

Terrific. I much appreciate the prompt assistance!

--On Tuesday, September 07, 2010 5:43 PM +0100 Nick Cox <n.j.cox@durham.ac.uk> wrote:

-forval- is better:

	forval i = 2/100 {
		local j = `i' - 2
		rename x`i' y`j'
	}

Or

	forval i = 2/100 {
		rename x`i' y`=`i'-2'
	}

A -foreach- solution could be

	foreach i of numlist 2/100 {
		<same innards>
	}

But it has no advantages over -forval-.

See also -renvars- from the SJ.

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

B. Timothy Walsh

I would like to rename/renumber variables of the format x2 - x100 to y0 -
y98. In other words, I'd like to subtract 2 from the "subscript".
I'm afraid I am still not skilled enough to figure out how to do this
with  foreach and a macro.

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