Re: st: the use of loop function in Stata

["Dr. Till Ittermann" <Itterman@uni-greifswald.de>]

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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> *   http://www.stata.com/help.cgi?search
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> *   http://www.ats.ucla.edu/stat/stata/


--
Till Ittermann, Dr. rer. med.
Institut for Community Medicine - SHIP-KEF
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17487 Greifswald

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  Fax: ++49 3834 866684

*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/