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fptr
2012 Oct 10
1
glmmPQL and spatial correlation
...for my 1/3 of
my data (about 70k points), the calculatations go on forever. I was running
the first model for over a week and was still not getting past the first
iteration.
This is the model I used
M1.f.Spa <- glmmPQL(presence ~ sst + tmax100 + tbot + sss + ssu + tmax100d
+ sbot, random = ~1|fPTT, family = binomial, correlation =
corSpher(c(91323.53,0.4279603), form =~ x+y, nugget = TRUE), data =
sample.df1)
This week, I tried a different approach and split the 70k subset into
smaller datasets of 10,000 points, and now the model runs much faster (just
a couple of hours tops), Yet the outpu...