Displaying 2 results from an estimated 2 matches for "lakef".
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2008 Nov 15
1
GAMs and GAMMS with correlated acoustic data
...1771 2
527331.6 4844636 8
9 nn_1 0.000000 0.067646462 20.912908 2005 87.76123 2
527495.9 4843390 9
10 nn_1 0.000000 0.006012106 26.611785 2005 87.59767 2
527606.6 4842426 10
#GAM example
bloat.gam8 <- gam(log10(yaobloaterbiom+0.00325) ~ lakef +s(depth,
by=lakef), data=fish3)
#GAMM example:
bloat.gamm1 <- gamm(log10(yaobloaterbiom+0.00325) ~ lakef + s(depth,
by=lakef), correlation=corAR1(form = ~ interval|tranf), data=fish3)
However, GAMM results from models including a wide variety of correlation
structures (corExp, CorSpher, C...
2008 Nov 19
2
GAMM and anove.lme question
...ervals (elementary sampling units) from multiple transects
(each 20-30 km long, tranf) in two different lakes and three different
years.
bloat.gamm1 <- gamm(lbloat ~ s(depth), correlation=corSpher(c(30000,
0.01),form = ~ x+y|tranf, nugget=TRUE), data=fish3)
bloat.gamm2 <- gamm(lbloat ~ lakef + s(depth),
correlation=corSpher(c(30000, 0.01),form = ~ x+y|tranf, nugget=TRUE),
data=fish3)
bloat.gamm3 <- gamm(lbloat ~ lakef + s(depth, by=lakef),
correlation=corSpher(c(30000, 0.01),form = ~ x+y|tranf, nugget=TRUE),
data=fish3)
> anova.lme(bloat.gamm1$lme, bloat.gamm2$lme, bloat....