Date: Fri, 16 Nov 2001 10:48:38 -0500
Reply-To: "Dorfman, Paul" <Paul.Dorfman@BCBSFL.COM>
Sender: "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From: "Dorfman, Paul" <Paul.Dorfman@BCBSFL.COM>
Subject: Re: A RETAIN Oddity
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> If you regard a DATA step as a 'black box', which you are allowed to
> investigate by adding 'explicit' PUT statements (i.e. ones
> actually naming vars, not _all_ etc.), if the PUT statement(s) return
> values, then you have learned nothing about whether or not the vars in
> question were in the PDV _in the absence of_ the PUT statement. The
> has altered that which it is 'probing'!
It is a keen observation, really invoking the reminder of the Heisenberg's
Paul M. Dorfman
Blue Cross Blue Shield of Florida, Inc., and its subsidiary and
affiliate companies are not responsible for errors or omissions in this e-mail message. Any personal comments made in this e-mail do not reflect the views of Blue Cross Blue Shield of Florida, Inc.