1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
test_that("UnsupervisedTask", {
ct1 = noclass.task
expect_error(makeClassifTask(data = 44), "'data.frame'")
# wrong vars
expect_error(subsetTask(noclass.task, features = c("Sepal.Length", "x", "y")))
# subsetTask works with index vector
sub.task = subsetTask(noclass.task, features = 1:2)
expect_equal(sum(getTaskNFeats(sub.task)), 2L)
# check missing accessors
df = noclass.df
df[1, 1:3] = NA
df[2, 1:3] = NA
ct = makeClusterTask(data = df)
td = getTaskDesc(ct)
expect_true(td$has.missings)
# check that blocking is still there after subsetting
ct1 = makeClusterTask(data = noclass.df, blocking = as.factor(seq_len(nrow(noclass.df))))
expect_true(getTaskDesc(ct1)$has.blocking)
ct2 = subsetTask(ct1, features = getTaskFeatureNames(ct1))
expect_true(getTaskDesc(ct2)$has.blocking)
# check 'fixup data' works
expect_warning(makeClusterTask("cluster", iris[1:10, ], fixup.data = "warn"), "Empty factor levels")
expect_warning(makeClusterTask("cluster", iris[1:10, ], fixup.data = "quiet"), NA)
})
|
