Nothing
context("test-subtract")
test_that("subtract works", {
relations <- data.frame(
sets = c(rep("a", 5), "b", "c"),
elements = c(letters[seq_len(6)], letters[6]),
fuzzy = runif(7)
)
a <- tidySet(relations)
b <- subtract(a, set_in = c("a", "b"), "c", "D")
expect_s4_class(b, "TidySet")
expect_equal(nElements(b), 6L)
expect_equal(nRelations(b), 12L)
expect_equal(nSets(b), 4L)
b <- subtract(a, set_in = c("a", "b"), "c")
expect_equal(name_sets(b)[4], "(a∪b)∖c")
})
test_that("error", {
TS <- tidySet(data.frame(
elements = c("c", "c", "a", "b", "b"),
sets = c("A", "B", "B", "B", "C")
))
expect_error(subtract(TS,
set_in = "A", not_in = "B", name = "A-B",
keep_elements = TRUE, keep_sets = TRUE,
keep_relations = FALSE
), NA)
})
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.