Thank you John, for replying in my behalf,

It seems you have your nose on the list constantly, while I only occasionally have (limited) time to look at the contributions. I have put a Q a day or 2 ago, on which I got potentially promising answers, but I haven't yet got time to test those solutions. However, I will within a few days.

Regards - Jim. -- Y. (Jim) Groeneveld, MSc IMRO TRAMARKO tel. +31 412 407 070 senior statistician, P.O. Box 1 fax. +31 412 407 080 senior data manager 5350 AA BERGHEM IMRO TRAMARKO: a CRO J.Groeneveld@ITGroups.com the Netherlands in clinical research

My computer has no idea what I am doing; sometimes the reverse also applies.

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> -----Original Message----- > From: John Whittington [SMTP:John.W@MEDISCIENCE.CO.UK] > Sent: Thursday, January 24, 2002 4:24 PM > To: SAS-L@LISTSERV.UGA.EDU > Subject: Re: initialization > > At 15:50 24/01/02 +0100, Peter Crawford wrote (in part): > > >I was surprised by the evidence I discovered. > >I would have thought that sum statement > > d + b; > >would equate to > > d = sum( d,b ); retain d; > > No. As I said, and as you went on to demonstrate/discover, it equates to: > > d = sum( d,b ); retain d 0 ; > > Kind Regards, > > > John > > ---------------------------------------------------------------- > Dr John Whittington, Voice: +44 (0) 1296 730225 > Mediscience Services Fax: +44 (0) 1296 738893 > Twyford Manor, Twyford, E-mail: John.W@mediscience.co.uk > Buckingham MK18 4EL, UK mediscience@compuserve.com > ----------------------------------------------------------------