[R] Parameter confidence regions for regression

Jesús María Frías Celayeta iosu at ensia.inra.fr
Mon Jul 5 11:00:30 CEST 1999


	I am starting to  use R-0.64.1 for linux, and I would like to know if
there is a way to plot parameter confidence regions for linear or nonlinear
regressions (though I am more interested in the later).
	I am trying to use the nls library for R and I have actually find in
the netlib repository a code that does this work, called ellipse, and I
managed to install the code (not the help pages) but it seems that the
structure of the nls object in R differs from its equivalent in S-plus I
cannot work it out (I understood as well that this is a significativea
difference between R and S-plus). Any help of this would be very welcomed. 

Thanks in advance,


Jesús María Frías Celayeta		"Valeu a pena? Tudo vale a pena
ENSIA-INRA, Av. des Olimpiades, 1	se a alma não é pequena
91744, Massy. FRANCE			Quem quer passar além do Bojador
Fax:intl+33+1+69935185			Tem que passar além da dor.
Phone:intl+33+1+69935191		Deus ao mar o perigo e abismo deu,
					Mas nele é que espelhou o céu"

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