context("getCaretParamSet")
test_that("getCaretParamSet", {
requirePackagesOrSkip(c("caret", "rpart", "earth"))
checkCaretParams = function(lrn, k, task) {
set.seed(getOption("mlr.debug.seed"))
capture.output({
cps1 = getCaretParamSet(lrn, length = k, task = task, discretize = TRUE)
})
set.seed(getOption("mlr.debug.seed"))
capture.output({
cps2 = getCaretParamSet(lrn, length = k, task = task, discretize = FALSE)
})
expect_identical(cps1$par.vals, cps2$par.vals)
expect_identical(names(cps1$par.set$pars), names(cps2$par.set$pars))
expect_identical(class(cps1$par.set), "ParamSet")
expect_identical(class(cps2$par.set), "ParamSet")
if (!is.null(cps1$par.vals)) {
expect_identical(class(cps1$par.vals), "list")
}
}
caret.learners = c("gbm", "rf", "svmPoly", "svmLinear", "svmRadial",
"rpart", "J48", "stepLDA", "earth")
# binaryclass problems
r1 = lapply(caret.learners, checkCaretParams, k = 9, task = binaryclass.task)
r2 = lapply(caret.learners, checkCaretParams, k = 5, task = binaryclass.task)
# multiclass problems
r1 = lapply(caret.learners, checkCaretParams, k = 9, task = multiclass.task)
r2 = lapply(caret.learners, checkCaretParams, k = 5, task = multiclass.task)
# regression problems
caret.learners = c("gbm", "rf", "svmPoly", "svmLinear",
"rpart", "J48", "stepLDA", "earth")
r1 = lapply(caret.learners, checkCaretParams, k = 9, task = regr.task)
r2 = lapply(caret.learners, checkCaretParams, k = 5, task = regr.task)
})
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