[R] Nonlinear regression

Timothy Axberg axbergtimothy at gmail.com
Tue Dec 19 23:13:03 CET 2017

Hello, I am working on a small data set and trying to find values of Qmax
and Kl for the equation

qe = (Qmax * Kl * ce) / (1 + 𝐾l* ce)

I found my Qmax and Kl through the linear model butam now trying to find
them through the "nls" function however an error comes up that I am
unfamiliar with. I have the file loaded for reference. Any help is
appreciated. Thank you.


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