Re: st: Re: memory problem where over 50% of memory are free

["Michael Blasnik" <michael.blasnik@verizon.net>]

Woops, as usual Nick is correct.  I meant to reference year2[_N] and not 
max(year2).

Also, Nick's approach to dealing with missing values is clearly superior since 
it saves creating a variable (assuming you don't have any negative years).

Michael

----- Original Message ----- 
From: "n j cox" <n.j.cox@durham.ac.uk>
To: <statalist@hsphsun2.harvard.edu>
Sent: Tuesday, April 10, 2007 8:40 AM
Subject: Re: st: Re: memory problem where over 50% of memory are free



> Michael didn't mean what he suggested here. The -max()-
> function needs two or more arguments and has different syntax
> from -egen, max()-.
>
> I think Michael is thinking of code like this:
>
> sort persnr year2
> by persnr : gen int maxyear2 = year2[_N]
>
> or, if there are missings, something like
>
> gen maxyear2 = cond(missing(year2), 0, year2)
> sort persnr maxyear2
> by persnr : replace maxyear2 = maxyear2[_N]
>
> will mean one fewer variable.
>
> Nick
> n.j.cox@durham.ac.uk
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