Hi all, I need to get the R2 statistic of a formula like this
f(t) = a + b*c^t
I've tried with LINEST(Range Y,LN(Range X),,TRUE) then the array three cells down and it should appear, but the numbers I get applies only to:
f(t) = b*c^t
Anybody knows how to get the real value or the R2 in any other way?
Thanks NlCO
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