Nonlinear curve fitting in R using mosaic and nls

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How to do non-linear curve fitting in R, get goodness of fit statistics, and choose the best model.
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Great video. I was just wondering at the end you calcualate R squared to determine goodness of fit. The rsquared() command, is it part of a package, because I tried it and it says this function doesn't exist.

chrysochristodoulou
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a) Awesome and clear thanks a lot
b) Named by dead white guys lmaooo

MBogdos
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Dear Doctor,

Thank you very much for this video ! It's really interesting because I'm in the same case.

Is it possible to have exchanges to resolve my problem ?

Yours sincerely,

GIOVANNANGELI Cyril

cyrilgiovannangeli