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RE: st: Issue with statsby


From   "Nuno" <liststata@gmail.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: Issue with statsby
Date   Sat, 24 Nov 2007 09:34:09 -0000

Thank you Scott! Given that most of the scalars are in lower caps I kept
seeing r(var) in lower caps.

Best,

Nuno

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Scott Merryman
Sent: sexta-feira, 23 de Novembro de 2007 22:09
To: statalist@hsphsun2.harvard.edu
Subject: Re: st: Issue with statsby

. sysuse auto
(1978 Automobile Data)

. sum mpg

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
         mpg |        74     21.2973    5.785503         12         41

. return list

scalars:
                  r(N) =  74
              r(sum_w) =  74
               r(mean) =  21.2972972972973
                r(Var) =  33.47204738985561
                 r(sd) =  5.785503209735141
                r(min) =  12
                r(max) =  41
                r(sum) =  1576



The variance is return to r(Var) not r(var)

Scott


On Nov 23, 2007 4:03 PM, Nuno <liststata@gmail.com> wrote:
> Hi everyone,
>
> I have a file with over 5 million daily observations for a set of 
> firms. The format is the following:
> id      date    var1
>
> I'm trying to produce a file that records the variance for each 
> individual
> (id) using the following statsby command:
>
> statsby var=r(var), by(id) saving(c:\temp\var.dta, replace): sum var1
>
>
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