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Re: st: Label problem - fdasave


From   Fred Wolfe <fwolfe@arthritis-research.org>
To   statalist@hsphsun2.harvard.edu, statalist@hsphsun2.harvard.edu
Subject   Re: st: Label problem - fdasave
Date   Thu, 07 Sep 2006 09:12:58 -0500

Thanks, Phil.

Fred
At 09:01 AM 9/7/2006, Philip Ryan wrote:
Fred,

I think this curiosity has apeared on the list before. It's easy to reproduce:

. sysuse auto
. label dir
origin

. d foreign

storage display value
variable name type format label variable label
-------------------------------------------------------------------------------
foreign byte %8.0g origin Car type

. label drop origin

. label dir

. d foreign

storage display value
variable name type format label variable label
-------------------------------------------------------------------------------
foreign byte %8.0g origin Car type


to get rid of it:

. label values foreign
. des foreign

storage display value
variable name type format label variable label
-------------------------------------------------------------------------------
foreign byte %8.0g Car type


I don't know if this constitutes a feature or a bug. It sort of reminds me of
being in a restaurant, ordering the fish _on the menu_ and then being told the
kitchen has run out of fish.

Phil






Quoting Fred Wolfe <fwolfe@arthritis-research.org>:

> Using Stata 9.2, up to date, I am trying to convert a series of dta files
> to SAS format.
>
> After running for a while my program exits with the following error:
>
> "value label sex not found"
>
> When I examine the data I find the following:
>
>
> . des sex
>
> storage display value
> variable name type format label variable label
> ------------------------------------------------------------------------------
-
> sex byte %12.0g sex Sex
>
> . unlabeled
>
> | Value
> Variable | Label #values unlabeled values
> -----------------+------------------------------------------------------------
----------------------------------------------
> questid | questid 3
> sex | sex 2 0 1
> ethnic1 | ethnic 5
> metcriteria | yesno 2
> pcscard | yesno 0
> edlevel | edlevel 16
> marital | marital 7
> edcat | edcode2 5
>
> . tab sex
>
> Sex | Freq. Percent Cum.
> ------------+-----------------------------------
> 0 | 1,570 77.61 77.61
> 1 | 453 22.39 100.00
> ------------+-----------------------------------
> Total | 2,023 100.00
>
> . label drop sex
> value label sex not found
> r(111);
>
>
> So, -describe- finds the label, but no other program does. Also, I can't
> delete the non-existent label.
>
> I don't know how the label got this way (sorry), for it usually shows:
>
> . ndbuse fixed
> (Survey Fixed Table version of 19 Aug 2006)
>
> . label list sex
> sex:
> 0 Female
> 1 Male
>
>
> My question is this. While it is a small matter to relabel the variable, in
> the program I am running I have >1,000 variables so I would like to fix or
> bypass the problem under program control. Generically, how to I get rid of
> a value label (that doesn't exist) such as this? Is my problem a bug or a
> feature?
>
> Thanks,
>
> Fred
>
> Fred Wolfe
> National Data Bank for Rheumatic Diseases
> Wichita, Kansas
> Tel +1 316 263 2125
> fwolfe@arthritis-research.org
>
>
> *
> * 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/
>


--
Philip Ryan
Associate Professor
Discipline of Public Health

Director, Data Management and Analysis Centre
Associate Dean (IT)
Faculty of Health Sciences

University of Adelaide
5005 South Australia
AUSTRALIA
CRICOS Provider Number 00123M
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Fred Wolfe
National Data Bank for Rheumatic Diseases
Wichita, Kansas
Tel +1 316 263 2125
fwolfe@arthritis-research.org


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