Andrea, have you considered maximum likelihood fitting?
--
Edzer
Andrea Sciarretta wrote:
Hi,
I’m working on variogram modelling and in the majority of cases only
R2 is available to evaluate the best-fit values, but in cases of
non-linear functions, it is very criticized.
Are there other standard methods to evaluate the goodness of a fit of
a non-linear function (for example asymptotic confidence intervals)
and how to calculate them, considering that the majority of
geostatistical software do not perform any alternative coefficient?
Thank you
Andrea
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