Nothing
test_that("internal valid score", {
task = tsk("iris")
learner = lrn("classif.debug", validate = 0.2)$train(task)
pred = learner$predict(task)
rr = resample(task, learner, rsmp("holdout"))
expect_equal(
rr$score(msr("internal_valid_score", select = "acc"))$acc,
rr$learners[[1]]$internal_valid_scores$acc
)
expect_equal(
rr$score(msr("internal_valid_score", select = "wrong_name"))$wrong_name,
NA_real_
)
rr = resample(task, lrn("classif.rpart"), rsmp("holdout"))
expect_equal(
rr$score(msr("internal_valid_score", select = "acc"))$acc,
NA_real_
)
expect_measure(msr("internal_valid_score"))
# learner that does not have it
m = msr("internal_valid_score", select = "a")
task = tsk("mtcars")
learner = lrn("regr.debug")
learner$train(task)
pred = learner$predict(task)
rr = resample(task, learner, rsmp("holdout"))
expect_equal(rr$score(m)$a, NA_real_)
task = tsk("iris")
# the first validation score is taken by default
rr = resample(task, lrn("classif.debug", predict_type = "prob", validate = 0.2), rsmp("holdout"))
m = msr("internal_valid_score")
expect_equal(
rr$score(m)$internal_valid_score,
rr$learners[[1]]$internal_valid_scores[[1L]]
)
measure = msr("internal_valid_score")
expect_equal(measure$id, "internal_valid_score")
expect_equal(measure$minimize, NA)
measure = msr("internal_valid_score", select = "acc", minimize = TRUE)
expect_equal(measure$id, "acc")
expect_true(measure$minimize)
})
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