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st: RE: RE: simple way to count how many variables' value is uner 10 for a case


From   "Martin Weiss" <martin.weiss@uni-tuebingen.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: RE: simple way to count how many variables' value is uner 10 for a case
Date   Mon, 16 Jun 2008 11:37:13 +0200

Sorry, Outlook distorts my messages, should really be "If it" at the beginning...

Martin Weiss
_________________________________________________________________

Diplom-Kaufmann Martin Weiss
Mohlstrasse 36
Room 415
72074 Tuebingen
Germany

Fon: 0049-7071-2978184

Home: http://www.wiwi.uni-tuebingen.de/cms/index.php?id=1130

Publications: http://www.wiwi.uni-tuebingen.de/cms/index.php?id=1131

SSRN: http://papers.ssrn.com/sol3/cf_dev/AbsByAuth.cfm?per_id=669945


-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Martin Weiss
Sent: Monday, June 16, 2008 11:34 AM
To: statalist@hsphsun2.harvard.edu
Subject: st: RE: simple way to count how many variables' value is uner 10 for a case

I fit is really only (positive?) integers we are talking about, why not

-egen belowten=anycount(var1 - var20), v(0/9)-


Martin Weiss
_________________________________________________________________

Diplom-Kaufmann Martin Weiss
Mohlstrasse 36
Room 415
72074 Tuebingen
Germany

Fon: 0049-7071-2978184

Home: http://www.wiwi.uni-tuebingen.de/cms/index.php?id=1130

Publications: http://www.wiwi.uni-tuebingen.de/cms/index.php?id=1131

SSRN: http://papers.ssrn.com/sol3/cf_dev/AbsByAuth.cfm?per_id=669945

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Man Jia
Sent: Monday, June 16, 2008 8:18 AM
To: statalist@hsphsun2.harvard.edu
Subject: st:simple way to count how many variables' value is uner 10 for a case

Hi all,

I was wondering if anyone could suggest a simple way to do the 
following job.

The data set is like this:
-----------------------------------------------------------------------
caseid   var1        var2          var3     var4 .........         var10

 1          6             8              9         15    ...            
    11
 2          3             4              5          7     ...           
      0
 3          1             2             10        14    ...             
   26
 .           .             .                .           .               
           .
 .           .             .                .           .               
           .
 .           .             .                .           .               
           .
------------------------------------------------------------------------

I want to find out for each case totally how many times the values for 
var1,var 2....var20 are under 10.
I think I could creat dummy variables defining 1 for those variable's 
value is under 10. That is as follows:
-----------------------------------------------------------------------
caseid  new_var1  new_var2  new_var3  new_var4 ...new_var10
 1          1             1             1            0      ...         
0
 2          1             1             1            1      ...         
1
 3          1             1             0            0      ...         
0
 .           .             .                .           .               
    .
 .           .             .                .           .               
    .
 .           .             .                .           .               
    .
------------------------------------------------------------------------
And then I could creat a new variable as sum_var=new_var1 + new_var2 
+.....+new_var10  

My question is, is there any way more simple than this? 

Thanks!

Man Jia
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