Re: All hail Neo!
From: Marshall Spight <marshall.spight_at_gmail.com>
Date: 26 Apr 2006 13:30:16 -0700
Message-ID: <1146083416.518617.324390_at_i40g2000cwc.googlegroups.com>
Date: 26 Apr 2006 13:30:16 -0700
Message-ID: <1146083416.518617.324390_at_i40g2000cwc.googlegroups.com>
David Cressey wrote:
> "Marshall Spight" <marshall.spight_at_gmail.com> wrote in message
> >
> > I just fired up Excel 2003. I entered two columns of numbers, and
> > left one cell empty in each column. Then I set the formula for the
> > third column to be col1 + col2. Then I got the sum of the first two
> > column. It behaved exactly as I propose: missing values were
> > ignored, both on the vertical sum and on the horizontal sum.
> > This preserves the SUM(A) + SUM(B) = SUM(A+B) property
> > as well.
>
> Repeat the experiment with avg. The results are even more interesting than
> sum.
Marshall Received on Wed Apr 26 2006 - 22:30:16 CEST