Nothing
test_that("Filtering an empty Task (#39)", {
task = mlr_tasks$get("mtcars")
f = mlr_filters$get("variance")
f$calculate(task)
expect_numeric(f$scores, names = "unique")
task = mlr_tasks$get("mtcars")$select(character())
f = mlr_filters$get("variance")
f$calculate(task)
expect_numeric(f$scores, names = "unique", len = 0)
no_ids = task$row_ids[0]
task = mlr_tasks$get("mtcars")$filter(no_ids)
f = mlr_filters$get("variance")
f$calculate(task)
expect_numeric(f$scores, names = "unique", len = length(task$feature_names))
expect_true(allMissing(f$scores))
})
test_that("as.data.table conversion works", {
task = mlr_tasks$get("sonar")
filter = mlr_filters$get("auc")
filter$calculate(task)
expect_silent(as.data.table(filter))
})
test_that("mlr3sugar creation works", {
expect_silent(flt("correlation", method = "kendall"))
})
test_that("Assertion of task type works", {
task = mlr_tasks$get("iris")
f = mlr_filters$get("correlation")
expect_error(f$calculate(task), regexp = "type")
})
test_that("nfeat is passed to praznik correctly", {
skip_if_not_installed("praznik")
task = tsk("iris")
f = flt("disr")
f$calculate(task, nfeat = 1)
expect_equal(sum(!is.na(f$scores)), 1)
})
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.