skip_if_not_installed("plm")
skip_if_not_installed("feisr")
data(mwp, package = "feisr")
m1 <- feisr::feis(
lnw ~ marry + enrol + as.factor(yeargr) | exp + I(exp^2),
data = mwp,
id = "id",
robust = TRUE
)
test_that("model_info", {
expect_true(model_info(m1)$is_linear)
})
m_tmp <- m1
m_tmp$vcov_arg <- "Normal standard errors"
test_that("get_varcov", {
expect_equal(vcov(m_tmp, scale = TRUE), get_varcov(m1), tolerance = 1e-3)
})
test_that("find_predictors", {
expect_identical(find_predictors(m1), list(
conditional = c("marry", "enrol", "yeargr"),
slopes = "exp"
))
expect_identical(find_predictors(m1, effects = "random"), list(random = "id"))
expect_identical(
find_predictors(m1, effects = "all", flatten = TRUE),
c("marry", "enrol", "yeargr", "exp", "id")
)
})
test_that("find_random", {
expect_identical(find_random(m1), list(random = "id"))
})
test_that("get_random", {
expect_identical(colnames(get_random(m1)), "id")
})
test_that("find_response", {
expect_identical(find_response(m1), "lnw")
})
test_that("get_response", {
expect_equal(get_response(m1), mwp$lnw)
})
test_that("get_predictors", {
expect_equal(
colnames(get_predictors(m1)),
c("marry", "enrol", "yeargr", "exp")
)
})
test_that("link_inverse", {
expect_equal(link_inverse(m1)(0.2), 0.2, tolerance = 1e-5)
})
test_that("get_data", {
expect_equal(nrow(get_data(m1)), 3100)
expect_equal(
colnames(get_data(m1)),
c("lnw", "marry", "enrol", "yeargr", "exp", "id")
)
})
test_that("get_df", {
expect_equal(
get_df(m1, type = "residual"),
df.residual(m1),
ignore_attr = TRUE
)
expect_equal(
get_df(m1, type = "normal"),
Inf,
ignore_attr = TRUE
)
expect_equal(
get_df(m1, type = "wald"),
2290,
ignore_attr = TRUE
)
})
test_that("find_formula", {
expect_length(find_formula(m1), 3)
expect_equal(
find_formula(m1),
list(
conditional = as.formula("lnw ~ marry + enrol + as.factor(yeargr)"),
slopes = as.formula("~exp + I(exp^2)"),
random = as.formula("~id")
),
ignore_attr = TRUE
)
})
test_that("find_terms", {
expect_equal(
find_terms(m1),
list(
response = "lnw",
conditional = c("marry", "enrol", "as.factor(yeargr)"),
slopes = c("exp", "I(exp^2)"),
random = "id"
)
)
expect_equal(
find_terms(m1, flatten = TRUE),
c(
"lnw",
"marry",
"enrol",
"as.factor(yeargr)",
"exp",
"I(exp^2)",
"id"
)
)
})
test_that("find_variables", {
expect_equal(
find_variables(m1),
list(
response = "lnw",
conditional = c("marry", "enrol", "yeargr"),
slopes = "exp",
random = "id"
)
)
expect_equal(
find_variables(m1, flatten = TRUE),
c("lnw", "marry", "enrol", "yeargr", "exp", "id")
)
})
test_that("n_obs", {
expect_equal(n_obs(m1), 3100)
})
test_that("linkfun", {
expect_false(is.null(link_function(m1)))
})
test_that("find_parameters", {
expect_equal(
find_parameters(m1),
list(
conditional = c(
"marry",
"enrol",
"as.factor(yeargr)2",
"as.factor(yeargr)3",
"as.factor(yeargr)4",
"as.factor(yeargr)5"
)
)
)
expect_equal(nrow(get_parameters(m1)), 6)
expect_equal(
get_parameters(m1)$Parameter,
c(
"marry",
"enrol",
"as.factor(yeargr)2",
"as.factor(yeargr)3",
"as.factor(yeargr)4",
"as.factor(yeargr)5"
)
)
})
test_that("is_multivariate", {
expect_false(is_multivariate(m1))
})
test_that("find_statistic", {
expect_identical(find_statistic(m1), "t-statistic")
})
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