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RE: st: reverse variable order


From   "Buzz Burhans" <[email protected]>
To   <[email protected]>
Subject   RE: st: reverse variable order
Date   Tue, 17 Jul 2007 07:35:21 -0600

Thanks very much Maarten.  Your approach works nicely, and I would not have
come up with it on my own.  

Thanks!

Buzz Burhans




If the other variables do not start with x than you can create a list
of the variables you want to reverse order with the -unab- function.
See example below:

*---------- begin example --------------
sysuse auto, clear
forvalues i = 1/10 {
	gen x`i' = uniform()
}

unab vars : x*

/*check whether x is only folowed by a number*/
local check : subinstr local vars "x" "", all
local check : subinstr local check " " "", all
confirm number `check'

local k : word count `vars'
ds
local allvars "`r(varlist)'"
local order : list allvars - vars
forvalues i = `k'(-1)1 {
	local order "`order' x`i'"
}
order `order'
*---------- 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/
-----------------------------------------


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