Nothing
test_that("ti function creates a TuningInstanceSingleCrit", {
instance = ti(
task = tsk("pima"),
learner = lrn("classif.rpart", cp = to_tune()),
resampling = rsmp ("holdout"),
measures = msr("classif.ce"),
terminator = trm("evals", n_evals = 2))
expect_class(instance, "TuningInstanceSingleCrit")
})
test_that("ti function creates a TuningInstanceMultiCrit", {
instance = ti(
task = tsk("pima"),
learner = lrn("classif.rpart", cp = to_tune()),
resampling = rsmp ("holdout"),
measures = msrs(c("classif.ce", "classif.acc")),
terminator = trm("evals", n_evals = 2))
expect_class(instance, "TuningInstanceMultiCrit")
})
test_that("ti interface is equal to TuningInstanceSingleCrit", {
ti_args = formalArgs(ti)
ti_args[ti_args == "measures"] = "measure"
instance_args = formalArgs(TuningInstanceSingleCrit$public_methods$initialize)
expect_equal(ti_args, instance_args)
})
test_that("ti interface is equal to TuningInstanceMultiCrit", {
ti_args = formalArgs(ti)
instance_args = formalArgs(TuningInstanceMultiCrit$public_methods$initialize)
expect_equal(ti_args, instance_args)
})
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