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Re: Re: Seeking abnormalities in data sets.by scain (Curate) |
| on Dec 27, 2001 at 20:36 UTC ( [id://134635]=note: print w/replies, xml ) | Need Help?? |
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I would caution against using Excel and a correlation coefficent.
The correlation coeffecient (often referred to as r^2)
is relatively insensitive to variations in the data. A better
measure of goodness of fit is chi squared, which you can
calculate when you do a least squares fit. Check out
Numerical Recipes
chapter 15 for details on doing the calculations.
Scott
In Section
Seekers of Perl Wisdom
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