Re: Re: st: Re: help with loops

[n j cox <n.j.cox@durham.ac.uk>]

In addition to Austin's direct reply, note that
Robert's question is (a close relative of) an FAQ.

Is there a way to tell Stata to try all values of a particular variable 
in a foreach statement without specifying them?
http://www.stata.com/support/faqs/data/foreach.html

Nick
n.j.cox@durham.ac.uk

Austin Nichols replied to Robert Ndugwa

levelsof id, local(ids)
foreach i of local ids {
 tw (scatter score date if id==`i' & class=="AA", legend(label(1 "AA")
   label(2 "BB")) ytitle(id`i')) (scatter score date if id==`i' & 
class=="BB")
 gr export child_`i'.wmf
}

> I have a data set that looks like below. I want to graph a series of 
 plots
> where i plot on the same scatter the score by on several available 
dates for
> the same person id. I need individual graphs for each Id. But i dont 
have a
> continous running ID as some IDs are exlcuded due to no entries.
> For example i dont have entries for ID=6 here so i dont need any 
graph for
> this.
>
> How can i make the program only to plot where ID exists?
> by current program looks like this
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