context("regr_ranger")
test_that("regr_ranger", {
requirePackagesOrSkip("ranger", default.method = "load")
parset.list = list(
list(num.trees = 10),
list(num.trees = 10, mtry = 4),
list(num.trees = 10, min.node.size = 2)
)
old.predicts.list = list()
for (i in seq_along(parset.list)) {
parset = parset.list[[i]]
parset = c(parset, list(data = regr.train, formula = regr.formula,
respect.unordered.factors = "order"))
set.seed(getOption("mlr.debug.seed"))
m = do.call(ranger::ranger, parset)
p = predict(m, data = regr.test)
old.predicts.list[[i]] = p$predictions
}
testSimpleParsets("regr.ranger", regr.df, regr.target, regr.train.inds,
old.predicts.list, parset.list)
})
test_that("se with se.method = sd", {
requirePackagesOrSkip("ranger", default.method = "load")
parset.list = list(
list(num.trees = 10),
list(num.trees = 10, se.method = "jack"),
list(num.trees = 10, mtry = 4),
list(num.trees = 10, min.node.size = 2)
)
old.predicts.list = list()
parset.only.for.predict = "se.method"
for (i in seq_along(parset.list)) {
parset = parset.list[[i]]
parset.list[[i]] = c(parset, predict.type = "se")
parset = c(parset, list(data = regr.train, formula = regr.formula,
keep.inbag = TRUE))
parset = dropNamed(parset, parset.only.for.predict)
set.seed(getOption("mlr.debug.seed"))
m = do.call(ranger::ranger, parset)
set.seed(getOption("mlr.debug.seed"))
predict.parset = parset[parset.only.for.predict]
predict.parset = c(list(object = m, data = regr.test, type = "se"),
predict.parset)
p = do.call(predict, predict.parset)
old.predicts.list[[i]] = cbind(p$predictions, p$se)
}
testSimpleParsets("regr.ranger", regr.df, regr.target, regr.train.inds,
old.predicts.list, parset.list)
})
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