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Re: st: How can I obtain the name of a variable's value label programatically?


From   Nick Winter <nwinter@virginia.edu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: How can I obtain the name of a variable's value label programatically?
Date   Wed, 20 Feb 2008 10:36:37 -0500

See -help extended_fcn- for a discussion of the extended macro functions, including ": label", which is what you want.

For example:

local lab : value label foreign
levelsof foreign
foreach v in `r(levels)' {
local vl : label `lab' `v'
local vals `vals' `v'
local labels `labels' `vl'
}
di "values: [`vals']"
di "labels: [`labels']"

K Jensen wrote:

On 20/02/2008, Maarten buis <maartenbuis@yahoo.co.uk> wrote:
--- K. Jensen wrote:
I would like to obtain the name of a variable's value label
programatically within  a loop.
You can do that using extended macro function, see:
 -help extended_fcn- and the example below:

 *------------ begin example ---------------
 sysuse auto, clear
 foreach var of varlist _all {
        local lab : value label `var'
        di "`lab'"
 }
 *------------ end example -----------------
Thanks Martin. You're wonderful!
I hate to say but I forgot to ask my follow up question:-
How could I put the values and labels of a specific value label into a
local macro

i.e. for the auto data
. label list origin
origin:
           0 Domestic
           1 Foreign

two lists containing (0,1) and ("Domestic", "Foreign")

Thankyou yet again
Karin
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--------------------------------------------------------------
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Assistant Professor                             434.924.3359 f
Department of Politics                  nwinter@virginia.edu e
University of Virginia          faculty.virginia.edu/nwinter w
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