https://bugs.documentfoundation.org/show_bug.cgi?id=142643
--- Comment #9 from Uwe Auer <[email protected]> ---
Just to make clear, how I calculate and understand the regression:
f(x) = a * x^b
-> ln (f(x)) = ln (a*x^b) = ln(a) + ln(x^b) = ln(a) + b*ln(x)
Now you use function() LINEST on natural logarithm of both axis an you get two
coefficients:
[1] Slope - which is b
[2] Intercept - which is ln(a)
Hence you need to exp(ln(a)) to get a.
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