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test_that("model_parameters.gam", {
skip_if_not_installed("mgcv")
set.seed(123)
model <-
mgcv::gam(
formula = mpg ~ s(hp) + s(wt) + factor(cyl) + am + qsec,
family = stats::quasi(),
data = mtcars
)
params <- model_parameters(model)
expect_equal(params$SE, c(10.83359, 1.80704, 2.82608, 1.71366, 0.53172, NA, NA), tolerance = 1e-2)
expect_equal(params$df_error, c(23.3923, 23.3923, 23.3923, 23.3923, 23.3923, NA, NA), tolerance = 1e-2)
expect_equal(params$CI[[1]], 0.95, tolerance = 1e-2)
expect_named(
params,
c(
"Parameter", "Coefficient", "SE", "CI", "CI_low", "CI_high", "t / F",
"df", "df_error", "p", "Component"
)
)
})
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