Hi all,
I would like to predict some values for an nls regression function
(functional response model Rogers type II). This is an asymptotic function
of which I would like to predict the asymptotic value
I estimated the paramters with nls, but can't seem to get predictions for
values of m choice......
This is my script:
RogersII_N <-
nls(FR~N0-lambertW(attackR3_N*Th3_N*N0*exp(-attackR3_N*(24-Th3_N*N0)))/(attackR3_N*Th3_N),start=list(attackR3_N=0.04,Th3_N=1.46),control=list(maxiter=10000))
lista <- c(1,2,100,1000)
predict(RogersII_N,newdata=lista)
I created a list (lista) with some values of which I would like the
predict function to give me function values
What am I doing wrong?
Kind regards,
Met vriendelijke groeten,
Joachim
Don't waste paper! Think about the environment before printing this e-mail
______________________________________
Joachim Audenaert
Adviesdienst Gewasbescherming
Proefcentrum voor Sierteelt
Schaessestraat 18
B-9070 Destelbergen
Belgium
Tel. +32 9 353 94 71
Fax +32 9 353 94 95
E-mail: joachim.audena...@pcsierteelt.be
www.pcsierteelt.be
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