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st: RE: beginners problem with stata ado file and syntax of varlist


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: beginners problem with stata ado file and syntax of varlist
Date   Thu, 6 Apr 2006 23:19:40 +0100

I really think you will be better off getting
to grips with interactive solutions here, 
before trying to write a program. This is 
a fairly odd problem, and you might as well
tackle it directly. 

Suppose you decide that the country in observation
42 is the critical one: 

foreach v of var <whatever> { 
	if `v'[42] < <cutoff> drop `v' 
}

That solves 1. You just plug in <whatever> you want. 

And 2. 

On your sidenote: 

help ds 
help unab 

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

Steffen H. Gröning
 
> I have countries in rows and the series in columns. what I 
> want it to do
> is to look through all my variables (which are too many to 
> list them all by
> hand) and drop those variables which have a smaller value 
> than the [if]
> for one country (in this case country 1 on the vertical axis when
> browsing).
> 
> so far this thing works quite well, but what i cant figure out:
> 
> 1. could I tell it not to take on certain variables/ make an exception
> for some variables? If so, how?
> 
> 2. is there a way of specifying which country to look for when calling
> the program? (right now i would have to change the programm 
> if i wanted
> it to look for country 2, 3, 4 etc.)
> 
> And just on a sidenote: how can i get stata to just make a list of all
> available variables?

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