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st: RE: calculating standard deviation of age at death from period life tables


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: calculating standard deviation of age at death from period life tables
Date   Sun, 7 Mar 2010 20:30:18 +0100

<>

Either use frequency weights (first example) or -expand- to the required
number:


*******
clear*

inp int(age number)
0 2000
1 1900
2 600
end

list, noo
ta age [fw=number]

expand number
ta age
*******


HTH
Martin

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Johannes Schoder
Sent: Sonntag, 7. März 2010 20:25
To: statalist@hsphsun2.harvard.edu
Subject: st: calculating standard deviation of age at death from period life
tables

Dear Statalist users:

I want to calculate the standard deviation of age at death from period 
life tables:
So I know how many people died at age x, where x runs from 0,1,2...110: 
For example, in 2004 in the US people 2000 died at age 0, 1900 at age 1, 
600 at age 2, etc.

What I think is the right way of calculating is:

To generate a new variable that contains  2000 times 0, 1900 times 1, 
600 times 2 etc...
But I don't know how I can generate this new variable in Stata most 
efficiently...
Thanks a lot for any hint!
Regards,
Johannes

-- 


Johannes Schoder
Socioeconomic Institute
University of Zurich
Hottingerstr. 10
8032 Zurich

Phone: +41 44 634 0612
Fax:   +41 44 634 4987
E-mail: johannes.schoder@soi.uzh.ch

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