Date: Tue, 1 May 2001 06:41:45 -0700
Reply-To: "Stanley A. Gorodenski" <vvgsgor@DE.STATE.AZ.US>
Sender: "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From: "Stanley A. Gorodenski" <vvgsgor@DE.STATE.AZ.US>
Subject: Re: January 1, 1960
Content-Type: text/plain; charset=us-ascii
I was afraid this might be the reason, but did not want to explicitly state it.
Stan
"Paula M. Adkins" wrote:
> >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
> www.checkfree.com
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