Nothing
test_that("cor_to_cov", {
cor <- cor(iris[1:4])
cov <- cov(iris[1:4])
cov2 <- cor_to_cov(cor, var = sapply(iris[1:4], var))
expect_equal(max(cov - cov2), 0, tolerance = 0.0001)
})
test_that("matrix_inverse works", {
m <- matrix_inverse(cor(iris[1:4]))
m2 <- solve(cor(iris[1:4]))
expect_equal(max(m - m2), 0, tolerance = 0.0001)
})
test_that("is.cor works", {
expect_true(is.cor(cor(mtcars)))
expect_false(is.cor(as.matrix(anscombe)))
})
test_that("z_fisher works", {
expect_equal(z_fisher(r = 0.7), 0.8673005, tolerance = 0.001)
expect_equal(z_fisher(z = 0.867), 0.6998467, tolerance = 0.001)
})
test_that("simulate_simpson works", {
skip_if_not_or_load_if_installed("MASS")
set.seed(123)
df <- bayestestR::simulate_simpson(n = 100, groups = 5, r = 0.5)
expect_equal(dim(df), c(500L, 3L))
})
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