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Date:         Wed, 2 May 2001 22:21:04 -0400
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Hoff Stuart <hhstuart@MA.ULTRANET.COM>
Subject:      Re: January 1, 1960
Content-Type: text/plain; charset=us-ascii

I've been using SAS since 1973. I started using it then as a graduate student at North Carolina State where Dr. Goodnight worked at the time. I don't believe the SAS Institute had been created by then; I believe they created the institute after that. If you were using it in 1960 I would be amazed. Even main frames were rare beasts in those days. They may have still been using ticker tape that far back. I sure do remember using cards in 1973, however.

Hoff Stuart

"Schechter, Robert S" wrote: > > I beg to differ. SAS was developed, and I've been using it, before January > 1, 1960. As I recall it, January 1, 1960 is the official date SAS Institute > was incorporated. > > -----Original Message----- > From: Paula M. Adkins [mailto:PAdkins@CHECKFREE.COM] > Sent: Tuesday, May 01, 2001 9:32 AM > To: SAS-L@LISTSERV.UGA.EDU > Subject: January 1, 1960 > > >My questions are just the opposite. Why did SAS choose 1960 as > >their base? > > John, as I recall from when I took the "SAS Fundamentals: A Programming > Approach" class, the reason why SAS chose 1960 as their base is because > January 1, 1960, is the date Dr. Jim Goodnight, founder of SAS, developed > SAS on an IBM system. A SAS date value is interpreted as the number of days > between January 1, 1960, and that date. For example: > > 01JAN1959 ---> -365 > 01JAN1960 ---> 0 > 01JAN1961 ---> 365 > > Hope this helps! > > Paula M. Adkins, Risk Analyst I > Risk & Source Management Dept. > CheckFree Corporation > 6000 Perimeter Drive > Dublin, OH 43017 > 614-564-3117, 614-564-4308-fax >

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