context("checkTaskLearner")
test_that("checkTaskLearner", {
df = multiclass.df
df[1, 1] = NA
task = makeClassifTask(data = df, target = multiclass.target)
expect_error(train(makeLearner("classif.lda"), task), "missing values")
expect_error(train(makeLearner("regr.km"), regr.task), "factor inputs")
expect_error(train(makeLearner("classif.gbm"), regr.task), "is for 'classif'")
expect_error(train(makeLearner("regr.gbm"), multiclass.task), "is for 'regr'")
})
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