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residual_sumsquares
2012 Jan 26
2
Quality of fit statistics for NLS?
Dear all,
I am trying to analyze some non-linear data to which I have fit a curve of
the following form:
dum <- nls(y~(A + (B*x)/(C+x)), start = list(A=370,B=100,C=23000))
I am wondering if there is any way to determine meaningful quality of fit
statistics from the nls function?
A summary yields highly significant p-values, but it is my impression that
these are questionable at best given