Return the logarithm stats for a line of best fit

B

Bruce

Hi,

I wish to return the logarithm stats based on the log line of best fit.

I can do this for linear and poly entered as an array formula as follows;

For linear
=LINEST(C58:C69,B58:B69,,1)

For 2nd order poly (quadratic)
=LINEST(C58:C69,B58:B69^{1,2},,1)

How do i modify this for a logarithm?

Bruce
 
M

MartinW

I should add that there is a typo in the log equation on that page.

The Equation: y = (c * LN(x)) - b

Should be y = (c * LN(x)) + b

The rest are a tremendous reference to keep handy.

Regards
Martin
 

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