Nothing
context("Test utility statistical functionalities")
test_that("The standard error is correctly computed", {
x <- c(1, 2, 3)
expect_equal(se(x = x), 1/sqrt(3))
})
test_that("The standard error of data with missing values is correctly computed", {
x <- c(1, 2, 3, NA)
expect_equal(
se(x = x, na.rm = FALSE),
NA_real_
)
expect_equal(
se(x = x, na.rm = TRUE),
1/sqrt(3)
)
})
test_that("The coefficient of variation is correctly computed", {
x <- c(1, 2, 3)
expect_equal(cv(x = x), 50)
})
test_that("The coefficient of variation of data with missing values is correctly computed", {
x <- c(1, 2, 3, NA)
expect_equal(
cv(x = x, na.rm = FALSE),
NA_real_
)
expect_equal(
cv(x = x, na.rm = TRUE),
50
)
})
test_that("The geometric mean is correctly computed", {
x <- exp(c(1, 2, 3))
expect_equal(geomMean(x = x), exp(2))
})
test_that("The geometric mean of data with missing values is correctly computed", {
x <- exp(c(1, 2, 3, NA))
expect_equal(
geomMean(x = x, na.rm = FALSE),
NA_real_
)
expect_equal(
geomMean(x = x, na.rm = TRUE),
exp(2)
)
})
test_that("The geometric mean of data with with negative values is correctly computed", {
x <- c(-3, 2)
expect_warning(gM <- geomMean(x = x))
expect_true(is.nan(gM))
})
test_that("The geometric standard deviation is correctly computed", {
x <- exp(c(1, 2, 3))
expect_equal(geomSD(x = x), exp(1))
})
test_that("The geometric standard deviation of data with missing values is correctly computed", {
x <- exp(c(1, 2, 3, NA))
expect_equal(
geomSD(x = x, na.rm = FALSE),
NA_real_
)
expect_equal(
geomSD(x = x, na.rm = TRUE),
exp(1)
)
})
test_that("The geometric standard deviation of data with negative values is correctly computed", {
x <- c(-3, -2)
expect_warning(gSD <- geomSD(x = x))
expect_equal(gSD, NA_real_)
})
test_that("The geometric coefficient of variation is correctly computed", {
x <- exp(c(1, 2, 3))
expect_equal(geomCV(x = x), sqrt(exp(sd(log(x))^2)-1)*100)
})
test_that("The geometric coefficient of variation of data with missing values is correctly computed", {
x <- c(1, 2, 3, NA)
expect_equal(
geomCV(x = x, na.rm = FALSE),
NA_real_
)
expect_equal(
geomCV(x = x, na.rm = TRUE),
geomCV(x = c(1, 2, 3))
)
})
test_that("The geometric coefficient of variation of data with negative values is correctly computed", {
x <- c(-3, -2)
expect_warning(gCV <- geomCV(x = x))
expect_equal(gCV, NA_real_)
})
test_that("The geometric standard error of the mean is correctly computed", {
x <- exp(c(1, 2, 3))
# geomSE is exp of SE of log (x)
expect_equal(geomSE(x = x), exp(1/sqrt(3)))
})
test_that("The geometric standard error of the mean of data with missing values is correctly computed", {
x <- exp(c(1, 2, 3, NA_real_))
expect_equal(
geomSE(x = x, na.rm = FALSE),
NA_real_
)
expect_equal(
geomSE(x = x, na.rm = TRUE),
exp(1/sqrt(3))
)
})
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