FWIW, most poly fits of order six that you see in Excel have been
woefully overfitted. Most poly fits should not have an order higher than
two.

- Jon
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Jon Peltier
Peltier Technical Services, Inc.
http://peltiertech.com/



Arnaud Miege wrote:
Any particular reason why the maximum order for a polynomial trendline in
Excel 2007 is 6? This seems rather limiting. Any way of using a higher order
polynomial?

Thanks in advance,

Arnaud