if (requiet("lme4")) {
test_that("find_terms", {
m <- lm(Sepal.Length ~ -1 + Petal.Width + Species, data = iris)
expect_equal(
find_terms(m),
list(response = "Sepal.Length", conditional = c("Petal.Width", "Species", "-1"))
)
expect_false(has_intercept(m))
})
test_that("find_terms", {
m <- lm(Sepal.Length ~ 0 + Petal.Width + Species, data = iris)
expect_equal(
find_terms(m),
list(response = "Sepal.Length", conditional = c("0", "Petal.Width", "Species"))
)
expect_false(has_intercept(m))
})
test_that("find_terms", {
m <- lm(Sepal.Length ~ Petal.Width + Species - 1, data = iris)
expect_equal(
find_terms(m),
list(response = "Sepal.Length", conditional = c("Petal.Width", "Species", "-1"))
)
expect_false(has_intercept(m))
})
set.seed(1984)
dat <- data.frame(
y = rnorm(100 * 5, sd = 1 - 0.20),
time = rep(1:10, 10 * 5),
g1 = sort(rep(1:100, 5)),
g2 = sort(rep(1:10, 10 * 5))
)
dat$g0 <- paste(dat$time, dat$g1)
dat$time1 <- dat$time - 8
dat$post <- 0
dat$post[dat$time >= 8] <- 1
m <- suppressMessages(lmer(y ~ post + time1 + (post + time1 - 1 | g2), data = dat))
test_that("find_terms", {
expect_equal(
find_terms(m),
list(response = "y", conditional = c("post", "time1"), random = c("post", "time1", "g2"))
)
expect_true(has_intercept(m))
})
}
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