if (
requiet("crch")) {
data("RainIbk")
RainIbk$sqrtensmean <<- apply(sqrt(RainIbk[, grep("^rainfc", names(RainIbk))]), 1, mean)
RainIbk$sqrtenssd <<- apply(sqrt(RainIbk[, grep("^rainfc", names(RainIbk))]), 1, sd)
m1 <- crch(sqrt(rain) ~ sqrtensmean, data = RainIbk, dist = "gaussian")
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("sqrtensmean")))
expect_identical(find_predictors(m1, flatten = TRUE), c("sqrtensmean"))
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("find_response", {
expect_identical(find_response(m1), "rain")
})
test_that("get_response", {
expect_equal(get_response(m1), RainIbk$rain)
})
test_that("get_predictors", {
expect_equal(colnames(get_predictors(m1)), c("sqrtensmean"))
})
test_that("link_inverse", {
expect_equal(link_inverse(m1)(0.2), 0.2, tolerance = 1e-5)
})
test_that("get_data", {
expect_equal(nrow(get_data(m1)), 4971)
expect_equal(colnames(get_data(m1)), c("rain", "sqrtensmean"))
})
test_that("find_formula", {
expect_length(find_formula(m1), 1)
expect_equal(
find_formula(m1),
list(conditional = as.formula("sqrt(rain) ~ sqrtensmean")),
ignore_attr = TRUE
)
})
test_that("find_terms", {
expect_equal(
find_terms(m1),
list(
response = "sqrt(rain)",
conditional = c("sqrtensmean")
)
)
expect_equal(
find_terms(m1, flatten = TRUE),
c("sqrt(rain)", "sqrtensmean")
)
})
test_that("find_variables", {
expect_equal(
find_variables(m1),
list(
response = "rain",
conditional = c("sqrtensmean")
)
)
expect_equal(
find_variables(m1, flatten = TRUE),
c("rain", "sqrtensmean")
)
})
test_that("n_obs", {
expect_equal(n_obs(m1), 4971)
})
test_that("linkfun", {
expect_false(is.null(link_function(m1)))
})
test_that("find_parameters", {
expect_equal(
find_parameters(m1),
list(
conditional = c("(Intercept)", "sqrtensmean", "(scale)_(Intercept)")
)
)
expect_equal(nrow(get_parameters(m1)), 3)
expect_equal(
get_parameters(m1)$Parameter,
c("(Intercept)", "sqrtensmean", "(scale)_(Intercept)")
)
})
test_that("is_multivariate", {
expect_false(is_multivariate(m1))
})
test_that("find_statistic", {
expect_identical(find_statistic(m1), "z-statistic")
})
}
Generated by dwww version 1.15 on Wed May 22 15:54:52 CEST 2024.