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Re: Eliminating Nulls

From: -CELKO- <jcelko212_at_earthlink.net>
Date: 1 Jul 2005 10:51:00 -0700
Message-ID: <1120240260.932922.185420@g49g2000cwa.googlegroups.com> 





>> But i've never come across a "null" in the "real world" either.  <<




Sure you have -- well, unless you are omniscient :)  I have an arrival
and departure date for any visit.  Some one is still here so their
departure is NULL (unknown, to-be-determined, known only to be after
arrival, etc.).  Thre is a lot of rtheory, especially in Stats, abut
missing data.
Received on Fri Jul 01 2005 - 12:51:00 CDT












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