test_that("model_parameters.hurdle", {
skip_if_not_installed("pscl")
set.seed(123)
data("bioChemists", package = "pscl")
model <- pscl::hurdle(formula = art ~ ., data = bioChemists, zero = "geometric")
params <- model_parameters(model)
expect_equal(
params$SE,
c(
0.12246,
0.06522,
0.07283,
0.04845,
0.0313,
0.00228,
0.29552,
0.15911,
0.18082,
0.11113,
0.07956,
0.01302
),
tolerance = 1e-3
)
expect_equal(
params$Coefficient,
unname(coef(model)),
tolerance = 1e-3
)
expect_equal(
params$z,
unname(c(coef(summary(model))[[1]][, 3], coef(summary(model))[[2]][, 3])),
tolerance = 1e-3
)
})
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