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Re: st: RE: generating age variable

From   Kim Price <>
Subject   Re: st: RE: generating age variable
Date   Fri, 22 Nov 2002 15:12:30 -0500

The variable dob is %d mdy()

On Friday, November 22, 2002, at 02:56  PM, Nick Cox wrote:

Kim Price [HTML deleted!!!]

I would like to create an age variable that subtracts
each dob from a particular date. I looked at the
reference guides and web page, but they were not
helpful in answering this question.
I've tried the following, but they both create missing values.

generate age=mdy(4,15,01-dob)/365.25


generate smpdate=mdy(4,1,01);

format smpdate %d;

gen age=(smpdate-dob)/365.25;

Any suggestions will be greatly appreciated.
You need to tell us what -dob- is, e.g.
by giving an example.

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