Nothing
skip_on_cran()
test_that("logLik", {
skip_if_not_installed("plm")
skip_if_not_installed("withr")
withr::local_options(list(expressions = 25))
set.seed(1)
nnn <- 100
ddta <- data.frame(
x1 = rnorm(nnn),
x2 = rnorm(nnn),
id = rep_len(1:(nnn / 10), nnn),
year = rep_len(1:11, nnn)
)
ddta$y <- ddta$x1 * 0.5 - ddta$x2 * 0.5 + rnorm(nnn)
m1 <- lm(y ~ x1 + x2, data = ddta)
l1 <- logLik(m1)
m2 <- plm(
y ~ x1 + x2,
data = ddta,
model = "pooling",
index = c("id", "year")
)
l2 <- logLik(m2)
expect_equal(l1, l2, tolerance = 1e-3, ignore_attr = TRUE)
})
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