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JohnPablo

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r2 Formula for polynomial trendlines.

Hi Experts,

Given a pair of ranges (for rangeA, rangeB), I am able to calculate the r2 number by using
the following formula:

=CORREL(rangeA,rangeB)^2

Now, I need a formula to calculate the r2 for polynomial trendlines.

Thanks!
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dlmille
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JohnPablo

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Thanks a lot, this is a good starting point for my solution.