skip_if_not_installed("censReg")
skip_if_not_installed("AER")
data("Affairs", package = "AER")
m1 <- censReg::censReg(
affairs ~ age + yearsmarried + religiousness + occupation + rating,
data = Affairs
)
test_that("model_info", {
expect_false(model_info(m1)$is_linear)
expect_true(model_info(m1)$is_censored)
})
test_that("find_predictors", {
expect_identical(find_predictors(m1), list(
conditional = c(
"age",
"yearsmarried",
"religiousness",
"occupation",
"rating"
)
))
expect_identical(
find_predictors(m1, flatten = TRUE),
c(
"age",
"yearsmarried",
"religiousness",
"occupation",
"rating"
)
)
expect_null(find_predictors(m1, effects = "random"))
})
test_that("find_random", {
expect_null(find_random(m1))
})
test_that("get_random", {
expect_warning(get_random(m1))
})
test_that("get_varcov", {
expect_equal(vcov(m1), get_varcov(m1), tolerance = 1e-3)
})
test_that("find_response", {
expect_identical(find_response(m1), "affairs")
})
test_that("get_response", {
expect_equal(get_response(m1), Affairs$affairs)
})
test_that("get_predictors", {
expect_equal(
colnames(get_predictors(m1)),
c(
"age",
"yearsmarried",
"religiousness",
"occupation",
"rating"
)
)
})
test_that("link_inverse", {
expect_equal(link_inverse(m1)(0.2), 0.2, tolerance = 1e-5)
})
test_that("get_data", {
expect_equal(nrow(get_data(m1)), 601)
expect_equal(
colnames(get_data(m1)),
c(
"affairs",
"age",
"yearsmarried",
"religiousness",
"occupation",
"rating"
)
)
})
test_that("find_formula", {
expect_length(find_formula(m1), 1)
expect_equal(
find_formula(m1),
list(
conditional = as.formula(
"affairs ~ age + yearsmarried + religiousness + occupation + rating"
)
),
ignore_attr = TRUE
)
})
test_that("find_variables", {
expect_equal(
find_variables(m1),
list(
response = "affairs",
conditional = c(
"age",
"yearsmarried",
"religiousness",
"occupation",
"rating"
)
)
)
expect_equal(
find_variables(m1, flatten = TRUE),
c(
"affairs",
"age",
"yearsmarried",
"religiousness",
"occupation",
"rating"
)
)
})
test_that("n_obs", {
expect_equal(n_obs(m1), 601)
})
test_that("linkfun", {
expect_false(is.null(link_function(m1)))
})
test_that("find_parameters", {
expect_equal(
find_parameters(m1),
list(
conditional = c(
"(Intercept)",
"age",
"yearsmarried",
"religiousness",
"occupation",
"rating",
"logSigma"
)
)
)
expect_equal(nrow(get_parameters(m1)), 7)
expect_equal(
get_parameters(m1)$Parameter,
c(
"(Intercept)",
"age",
"yearsmarried",
"religiousness",
"occupation",
"rating",
"logSigma"
)
)
})
test_that("find_terms", {
expect_equal(
find_terms(m1),
list(
response = "affairs",
conditional = c(
"age",
"yearsmarried",
"religiousness",
"occupation",
"rating"
)
)
)
})
test_that("is_multivariate", {
expect_false(is_multivariate(m1))
})
test_that("find_statistic", {
expect_identical(find_statistic(m1), "t-statistic")
})
# to avoid `Registered S3 methods overwritten by 'ivreg'` messages
if (isNamespaceLoaded("AER")) {
unloadNamespace("AER")
}
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