Nothing
test_that("zeroinfl execution", {
skip_if_not_installed("pscl")
skip_on_cran()
data("bioChemists", package = "pscl")
expect_error(
res <- fit(
zeroinfl_spec,
art ~ .,
data = bioChemists,
control = ctrl
),
regexp = NA
)
expect_error(
res <- fit_xy(
zeroinfl_spec,
x = bioChemists[, 2:6],
y = bioChemists$art,
control = ctrl
),
regexp = NA
)
expect_false(has_multi_predict(res))
expect_equal(multi_predict_args(res), NA_character_)
expect_error(
res <- fit(
zeroinfl_spec,
Species ~ term,
data = bioChemists,
control = ctrl
)
)
})
test_that("zeroinfl prediction", {
skip_if_not_installed("pscl")
skip_on_cran()
zeroinfl_pred <- c(
2.03795552288294, 1.32312378302603,
1.30870432888435, 1.43998196151274,
2.36323310634688
)
res_xy <- fit_xy(
zeroinfl_spec,
x = bioChemists[, 2:6],
y = bioChemists$art,
control = quiet_ctrl
)
expect_equal(zeroinfl_pred, predict(res_xy, bioChemists[1:5, 2:6])$.pred, tolerance = 0.001)
form_pred <- c(
1.95901387152585, 1.33126661829735,
1.33699534952439, 1.51045647275656,
2.05706336705877
)
res_form <- fit(
zeroinfl_spec,
art ~ . | 1,
data = bioChemists,
control = quiet_ctrl
)
expect_equal(form_pred, predict(res_form, bioChemists[1:5, ])$.pred, tolerance = 0.001)
})
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