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f2
2012 Sep 25
1
REML - quasipoisson
hi
I'm puzzled as to the relation between the REML score computed by gam and
the formula (4) on p.4 here:
http://opus.bath.ac.uk/22707/1/Wood_JRSSB_2011_73_1_3.pdf
I'm ok with this for poisson, or for quasipoisson when phi=1.
However, when phi differs from 1, I'm stuck.
#simulate some data
library(mgcv)
set.seed(1)
x1<-runif(500)
x2<-rnorm(500)