[Rd] extracting and manipulating components from nlme and gnls objects
nikko at hailmail.net
Tue Jul 19 18:15:52 CEST 2005
I am writing a set of functions to do prediction and calibration
for at least the subset of selfstarting models if not some more general
I need to be able to extract the varFunction from a fit object
and evaluate it at a predicted point. Are there any examples around?
Also in a self start model, say SSlogis, how would I get the gradient
at a point?
PS I am sure I will have more questions
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