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st: Creating Yearly Totals from 12 Months


From   Thomas Speidel <thomassp@cancerboard.ab.ca>
To   statalist@hsphsun2.harvard.edu
Subject   st: Creating Yearly Totals from 12 Months
Date   20 Mar 2005 17:40:11 -0700

Dear Statalisters:

I am trying to modify the following dataset so that for each year I obtain a total:

    month       var1  
         1   3.407265  
         2    4.27602  
         3   4.171527  
         4   4.069176  
         5   4.063006  
         6   4.142096  
         7   4.280849  
         8   4.443652  
         9   4.612175  
        10   4.785601  
        11   4.959064  
        12   5.129404  
        13   5.291652  
        14   5.443335  
        15   5.584059  
        16   5.714371  
        17   5.834095  
        18   5.943435  
        19   6.043005  
        20    6.13373  
        21   6.216306  
        22   6.291237  
        23   6.359303  
        24   6.420962  
        ...

This is was I am trying to achieve:
       
    year	var1_yrtot
	1	52.33984
	2	71.27549


Is there an easy/elegant way to do that?
Thanks,

Thomas Speidel

---- Alberta Cancer Board

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