On 28/08/2007, at 7:16 PM, J Dougherty wrote:
<snip>
> PS, I quit using Excel for most important work after it returned a
> negative
> variance on some data I was collecting descriptive statistics on.
Those of you who have not seen it should have a look at Jonathan
Cryer's commentary
on Excel, available at the URL:
http://www.stat.uiowa.edu/~jcryer/JSMTalk2001.pdf
Executive summary: Friends don't let friends use Excel for statistics.
cheers,
Rolf Turner
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