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Re: st: the use of loop function in Stata


From   Steve Nakoneshny <scnakone@ucalgary.ca>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: the use of loop function in Stata
Date   Tue, 13 Mar 2012 09:28:07 -0600

You will also need to add the -replace- option to the histogram command.

On 2012-03-13, at 8:44 AM, Dr. Till Ittermann wrote:

> Hi,
> 
> I would loop over lname not var:
> 
> foreach lname in lnamelist {
> histogram `lname',  by(AID4, col(1))
> graph save histogram`lname'
> }
> 
> 
> 
> m 13.03.2012 15:36, schrieb Rosie Chen:
>> Nick, thank you very much for the further advice, which makes the syntax more efficient. Given the loop syntax I have, how to save all the histogram graphs? If I use the code below, the error message says: "file histogram.gph already exists".
>> 
>> 
>> foreach var of varlist lp*{
>> 
>>     histogram `var',  by(AID4, col(1))
>> 
>>     graph save histogram
>> }
>> 
>> 
>> *
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> 
> 
> -- 
> Till Ittermann, Dr. rer. med.
> Institut for Community Medicine - SHIP-KEF
> Walther-Rathenau-Str. 48
> 17487 Greifswald
> 
> Phone: ++49 3834 867552
>   Fax: ++49 3834 866684
> 
> *
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> *   http://www.ats.ucla.edu/stat/stata/


*
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