``` {r } require(wrightscape) require(snowfall) require(ggplot2) require(reshape) data(parrotfish) traits <- c("bodymass", "close", "open", "kt", "gape.y", "prot.y", "AM.y", "SH.y", "LP.y") regimes <- intramandibular
``` {r }
fits <- lapply(traits, function(trait){
multi <- function(modelspec){
multiTypeOU(data = dat[[trait]], tree = tree, regimes = regimes,
model_spec = modelspec, control = list(maxit=8000))
}
bm <- multi(list(alpha = "fixed", sigma = "global", theta = "global"))
ou <- multi(list(alpha = "global", sigma = "global", theta = "global"))
bm2 <- multi(list(alpha = "fixed", sigma = "indep", theta = "global"))
a2 <- multi(list(alpha = "indep", sigma = "global", theta = "global"))
t2 <- multi(list(alpha = "global", sigma = "global", theta = "indep"))
mc <- montecarlotest(bm2,a2)
bm2_a2 <- list(null=mc$null_dist, test=mc$test_dist, lr=-2*(mc$null$loglik-mc$test$loglik))
mc <- montecarlotest(bm,ou)
bm_ou <- list(null=mc$null_dist, test=mc$test_dist, lr=-2*(mc$null$loglik-mc$test$loglik))
mc <- montecarlotest(bm,bm2)
bm_bm2 <- list(null=mc$null_dist, test=mc$test_dist, lr=-2*(mc$null$loglik-mc$test$loglik))
mc <- montecarlotest(ou,bm2)
ou_bm2 <- list(null=mc$null_dist, test=mc$test_dist, lr=-2*(mc$null$loglik-mc$test$loglik))
mc <- montecarlotest(t2,a2)
t2_a2 <- list(null=mc$null_dist, test=mc$test_dist, lr=-2*(mc$null$loglik-mc$test$loglik))
mc <- montecarlotest(bm2,t2)
bm2_t2 <- list(null=mc$null_dist, test=mc$test_dist, lr=-2*(mc$null$loglik-mc$test$loglik))
list(brownie_vs_alphas=bm2_a2, brownie_vs_thetas=bm2_t2, thetas_vs_alphas=t2_a2,
bm_vs_brownie=bm_bm2, bm_vs_ou=bm_ou, ou_vs_brownie=ou_bm2)
})
``` {r } names(fits) <- traits dat <- melt(fits) names(dat) <- c("value", "type", "comparison", "trait")
``` {r fig.height=26 }
require(ggplot2)
r <- cast(dat, comparison ~ trait, function(x) quantile(x, c(.10,.90)))
subdat <- subset(dat, abs(value) < max(abs(as.matrix(r))))
ggplot(subdat) +
geom_boxplot(aes(type, value)) +
facet_grid(trait ~ comparison, scales="free_y")
``` {r } save(list=ls(), file="~/public_html/data/parrotfish_power.rda") ````
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