Nothing
context("Describe")
# Main function
test_that("describe returns tibble", {
t <- describe(WoJ, ethics_1, ethics_2, ethics_3)
expect_true(tibble::is_tibble(t))
expect_equal(dim(t), c(3, 15))
})
test_that("describe works without specifying variables", {
t <- describe(WoJ)
expect_true(tibble::is_tibble(t))
expect_equal(dim(t), c(11, 15))
})
test_that("describe works with tidyselect helpers", {
t <- describe(WoJ, tidyselect::starts_with("ethics"))
expect_true(tibble::is_tibble(t))
expect_equal(dim(t), c(4, 15))
})
# Describe_cat function
test_that("describe returns tibble", {
t <- describe_cat(WoJ, reach, employment)
expect_true(tibble::is_tibble(t))
expect_equal(dim(t), c(2, 6))
})
test_that("describe works without specifying variables", {
t <- describe_cat(WoJ)
expect_true(tibble::is_tibble(t))
expect_equal(dim(t), c(4, 6))
})
test_that("describe works with tidyselect helpers", {
t <- describe_cat(WoJ, tidyselect::contains("country"))
expect_true(tibble::is_tibble(t))
expect_equal(dim(t), c(1, 6))
})
# Skewness & Kurtosis helpers
test_that("skewness returns correct results", {
x1 <- c(0:10)
x2 <- c(0:10, 50)
x3 <- c(rep(1, 5), 1:10)
expect_equal(skewness(x1), 0, tolerance = .0005)
expect_equal(skewness(x2), 2.717, tolerance = .0005)
expect_equal(skewness(x3), 0.569, tolerance = .0005)
})
test_that("kurtosis returns correct results", {
x1 <- c(0:10)
x2 <- c(0:10, 50)
x3 <- c(rep(1, 5), 1:10)
expect_equal(kurtosis(x1), 1.780, tolerance = .0005)
expect_equal(kurtosis(x2), 9.028, tolerance = .0005)
expect_equal(kurtosis(x3), 1.852, tolerance = .0005)
})
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