Re: st: Re: saving memory local vs usual variable

["Martin Weiss" <martin.weiss1@gmx.de>]

loc absmax=max(`max', r(max)) 
at the end of your code to get this into a -local- then?

HTH
Martin 
_______________________
----- Original Message ----- 
From: "Nick Cox" <n.j.cox@durham.ac.uk>
To: <statalist@hsphsun2.harvard.edu>
Sent: Friday, October 03, 2008 7:37 PM
Subject: RE: st: Re: saving memory local vs usual variable



> Not the main point, perhaps, but there is a much more direct way to do
> this. 
> sysuse auto, clear 
> su price, meanonly 
> local max = r(max) 
> su trunk, meanonly 
> di max(`max', r(max)) 
> Nick 
> n.j.cox@durham.ac.uk 
> Martin Weiss
>
> Well, -egen- does not take more than one variable because usually that
> is 
> what users want: either the -max- of a variable or the max across
> columns, 
> which -egen- also supports with the -rowmax- option. If you want the
> maximum 
> of two vars for whatever reason:
>
> sysuse auto, clear
>
> tempvar prmax trmax overallmax
>
> egen `prmax'=max(price)
> egen `trmax'=max(trunk)
> egen `overallmax'=rowmax(`prmax' `trmax')
> su `overallmax',mean
> loc max=r(max)
>
> di in red `max'
>
> Ashim Kapoor
>
>
> > On 2nd thought.
> >
> > egen j=max(x) DOES NOT take more than one variable.
> >
> > It is gen which can do the max of 2 or more variables.
> >
> > So since egen returns a variable with ONE constant value, it would
> > seem that it should be allowed to be stored in a scalar / local macro.
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