Re: All hail Neo!
Date: Wed, 26 Apr 2006 19:43:20 GMT
"Marshall Spight" <marshall.spight_at_gmail.com> wrote in message
> JOG wrote:
> > PMFJI, I thought it might be useful to point out that spreadsheets have
> > had to address this problem since their inception. As far as I know
> > they, by default, ignore empty cells when averaging ranges, as opposed
> > to dropping out with an error. As such they view the empty cell as as
> > not existing in the range at all. If all cells are empty then no range
> > exists and an error results.
> 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.
> Would anyone care to propose a plausible use case for not
> wanting this behavior?
Repeat the experiment with avg. The results are even more interesting than sum. Received on Wed Apr 26 2006 - 21:43:20 CEST