Nothing
if (.Platform$OS.type != "windows") withAutoprint({
library("lme4")
## example from HSAUR2 package; data from 'multcomp'; see ../inst/testdata/trees513.R
load(system.file("testdata","trees513.RData",package="lme4"))
## model formula:
modForm <- damage ~ species - 1 + (1 | lattice / plot)
dfun <- glmer(modForm, data = trees513B, family = binomial,
devFunOnly = TRUE)
ls.str(environment(dfun))# "for your information"
.not.call <- function(x) x[names(x) != "call"]
if(lme4:::testLevel() < 2) q("no")
## else (testLevel >= 2) : --------------------------------------------------
## Generate oldres:
## ----------------
## library(lme4.0)
## system.time(mmod0 <- glmer(damage ~ species - 1 + (1 | lattice / plot),
## data = trees513, family = binomial()))
## ## 4 seconds
## oldres <- c(fixef(mmod0),getME(mmod0,"theta"))
## detach("package:lme4.0")
## dput(oldres)
oldres <- structure(c(5.23645064474105, 4.73568475545248, 2.65289926317093,
1.29043984816924, 1.59329381563025,
0.532663142106669, 1.16703186884403
), .Names = c("speciesspruce", "speciespine",
"speciesbeech",
"speciesoak", "specieshardwood",
"plot:lattice.(Intercept)",
"lattice.(Intercept)"))
system.time(mmodA <- glmer(modForm, data = trees513A, family = binomial()))
## 7 seconds
newres <- c(fixef(mmodA), getME(mmodA,"theta"))
stopifnot(all.equal(oldres, newres, tolerance=1.5e-3))
system.time(mmodB <- glmer(modForm, data = trees513B, family = binomial()))
## 10.4 seconds
##
if(FALSE) { ## defuncted in 2019-05 [been deprecated since 2013-06]
## lmer( + family) -> diverts to glmer() with a warning [TODO: use assertWarning(.) eventually]
system.time(lmodB <-
lmer(modForm, data = trees513B, family = binomial()))
stopifnot(all.equal(.not.call(summary(mmodB)),
.not.call(summary(lmodB))))
newresB <- c(fixef(mmodB),getME(mmodB,"theta"))
stopifnot(length(newresB) == length(oldres) + 1)# extra: species[ash/maple/elm/lime]
}
}) ## skip on windows (for speed)
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