Nothing
test_that("insample has no duplicated ids", {
r = rsmp("insample")
expect_identical(r$duplicated_ids, FALSE)
})
test_that("stratification", {
data = data.table(y = factor(rep(letters[1:2], times = c(90, 10))), x1 = runif(100), x2 = rep(LETTERS[1:2], times = c(50, 50)))
b = as_data_backend(data)
task = TaskClassif$new("stratify_data", b, target = "y")
task$col_roles$stratum = task$target_names
r = rsmp("insample")
r$instantiate(task)
i = 1L
expect_set_equal(r$train_set(i), task$row_ids)
expect_set_equal(r$test_set(i), task$row_ids)
})
test_that("grouping", {
r = rsmp("insample")
expect_grouping_works(r)
})
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