data(npk)
m1 <- aov(yield ~ N * P * K + Error(block), data = npk)
m2 <- aov(yield ~ N * P * K, data = npk)
test_that("model_info", {
expect_true(model_info(m1)$is_linear)
expect_true(model_info(m1)$is_anova)
expect_true(model_info(m2)$is_linear)
expect_true(model_info(m2)$is_anova)
})
test_that("find_predictors", {
expect_identical(find_predictors(m1), list(conditional = c("N", "P", "K", "block")))
expect_identical(find_predictors(m2), list(conditional = c("N", "P", "K")))
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), "yield")
expect_identical(find_response(m2), "yield")
})
test_that("get_response", {
expect_equal(get_response(m1), npk$yield)
expect_equal(get_response(m2), npk$yield)
})
test_that("get_predictors", {
expect_equal(colnames(get_predictors(m1)), c("N", "P", "K", "block"))
expect_equal(colnames(get_predictors(m2)), c("N", "P", "K"))
})
test_that("link_inverse", {
expect_equal(link_inverse(m1)(0.2), 0.2, tolerance = 1e-5)
expect_equal(link_inverse(m2)(0.2), 0.2, tolerance = 1e-5)
})
test_that("get_data", {
expect_equal(nrow(get_data(m1, verbose = FALSE)), 24)
expect_equal(nrow(get_data(m2, verbose = FALSE)), 24)
expect_equal(colnames(get_data(m1, verbose = FALSE)), c("yield", "N", "P", "K", "block"))
expect_equal(colnames(get_data(m2, verbose = FALSE)), c("yield", "N", "P", "K"))
})
test_that("find_formula", {
expect_length(find_formula(m1), 1)
expect_equal(
find_formula(m1),
list(conditional = as.formula("yield ~ N * P * K + Error(block)")),
ignore_attr = TRUE
)
expect_length(find_formula(m2), 1)
expect_equal(
find_formula(m2),
list(conditional = as.formula("yield ~ N * P * K")),
ignore_attr = TRUE
)
})
test_that("find_terms", {
expect_equal(find_terms(m1), list(
response = "yield",
conditional = c("N", "P", "K"),
error = "Error(block)"
))
expect_equal(
find_terms(m1, flatten = TRUE),
c("yield", "N", "P", "K", "Error(block)")
)
expect_equal(find_terms(m2), list(
response = "yield",
conditional = c("N", "P", "K")
))
expect_equal(find_terms(m2, flatten = TRUE), c("yield", "N", "P", "K"))
})
test_that("n_obs", {
expect_equal(n_obs(m1), 24)
expect_equal(n_obs(m2), 24)
})
test_that("linkfun", {
expect_false(is.null(link_function(m1)))
expect_false(is.null(link_function(m2)))
})
test_that("find_parameters", {
expect_equal(
find_parameters(m1),
list(conditional = c("(Intercept)", "N1:P1:K1", "N1", "P1", "K1", "N1:P1", "N1:K1", "P1:K1"))
)
expect_equal(ncol(get_parameters(m1)), 3)
expect_equal(nrow(get_parameters(m1, effects = "all")), 8)
expect_equal(
get_parameters(m1, effects = "all")$Group,
c("(Intercept)", "block", "Within", "Within", "Within", "Within", "Within", "Within")
)
expect_equal(
find_parameters(m2),
list(
conditional = c(
"(Intercept)",
"N1",
"P1",
"K1",
"N1:P1",
"N1:K1",
"P1:K1",
"N1:P1:K1"
)
)
)
expect_equal(nrow(get_parameters(m2)), 8)
})
test_that("is_multivariate", {
expect_false(is_multivariate(m1))
expect_false(is_multivariate(m2))
})
test_that("find_statistic", {
expect_identical(find_statistic(m1), "F-statistic")
expect_identical(find_statistic(m2), "F-statistic")
})
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