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st: RE: How to drop observations that fulfill a specific criterion


From   "Nick Cox" <[email protected]>
To   <[email protected]>
Subject   st: RE: How to drop observations that fulfill a specific criterion
Date   Wed, 6 Aug 2008 15:45:04 +0100

I guess that you have a numeric variable showing daily dates and with a
specific date format. If so

drop if whatever < mdy(1,1,2000) 

is one way to do it. 

Nick
[email protected] 

Diana Eastman

I have a variable called fourwk_ending that has the following format:
05DEC1998. I need to drop all the observations before 2000, i.e.
anything before 01JAN2000. Does anyone have any idea how to set up this
conditional?


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