library(testthat)
test_that('no dots', {
expect_equal(form_pred(y ~ x + z), c("x", "z"))
expect_equal(form_pred(terms(y ~ x + z)), c("x", "z"))
expect_equal(form_pred(y ~ x + log(z)), c("x", "z"))
expect_equal(form_pred(terms(y ~ x + log(z))), c("x", "z"))
expect_equal(form_pred(log(y) ~ x + z), c("x", "z"))
expect_equal(form_pred(terms(log(y) ~ x + z)), c("x", "z"))
expect_equal(form_pred(y1 + y2 ~ x + z), c("x", "z"))
expect_equal(form_pred(terms(y1 + y2 ~ x + z)), c("x", "z"))
expect_equal(form_pred(log(y1) + y2 ~ x + z), c("x", "z"))
expect_equal(form_pred(terms(log(y1) + y2 ~ x + z)), c("x", "z"))
expect_equal(form_pred(~ x + z), c("x", "z"))
expect_equal(form_pred(terms(~ x + z)), c("x", "z"))
expect_equal(form_pred(~ x), "x")
expect_equal(form_pred(terms(~ x)), "x")
expect_equal(form_pred(y ~ x), "x")
expect_equal(form_pred(terms(y ~ x)), "x")
})
test_that('dots', {
expect_error(form_pred(y ~ .))
expect_error(form_pred(terms(y ~ .)))
expect_error(form_pred(y ~ (.)^2))
expect_error(form_pred(terms(y ~ (.)^2)))
expect_equal(form_pred(terms(Species ~ (.)^2, data = iris)),
names(iris)[1:4])
expect_equal(form_pred(terms(~ (.)^2, data = iris)),
names(iris))
})
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.