[R] How to do global curve fitting in R

Jianling Fan fanjianling at gmail.com
Wed Sep 9 18:04:55 CEST 2015

Hello all,

I am trying to fit my data to a nls model. I have many sets of data
and each can fit well for the curve. but I want to fit them at once by
sharing 2 of 3 parameters of the model. I know it is a typical global
curve fitting problem, but I don't know how to do it by R?

Does anyone know any package for this??

Thanks a lot!


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