Nothing
context("Check full2meta and meta2full")
m <- 2
for (d in 2:10) {
theta <- rtheta(m = m, d = d)
theta$sigma$comp2[1,2] <- 0.5
neg.eps <- .Machine$double.neg.eps
eps <- .Machine$double.eps
par <- full2meta(theta)
test_that("full2meta returns proper formatted output", {
expect_true(is.numeric(par))
expect_that(names(par), equals(c("pie1", "mu", "sigma", "rho")))
expect_that(length(par), equals(4))
expect_that(par["pie1"], is_more_than(-neg.eps)) # 0 <= pie <= 1
expect_that(par["pie1"], is_less_than(1 + eps))
expect_that(par["sigma"], is_more_than(-neg.eps)) # Sigma >= 0
expect_that(par["rho"], is_more_than(-1 - neg.eps)) # -1 <= rho <= 1
expect_that(par["rho"], is_less_than(1 + eps))
})
test_that("full2meta fails when intended", {
theta_f <- rtheta(m = m, d = d)
theta_f$sigma[[2]][1,2] <- theta_f$sigma[[2]][2,1] <-
tcrossprod(sqrt(diag(theta_f$sigma[[2]])))[1,2]*-(1/(d-1))*1.05
expect_error(full2meta(theta_f))
expect_error(full2meta(rtheta(m = 3, d = d)))
})
theta_back <- meta2full(par, d = d)
test_that("meta2full returns proper formatted output", {
expect_true(is.theta(theta_back))
expect_that(theta_back$pie["pie1"], equals(par["pie1"]))
expect_that(theta_back$mu$comp2, is_equivalent_to(rep(par["mu"], d)))
expect_that(theta_back$sigma$comp1, equals(diag(d)))
expect_that(diag(theta_back$sigma$comp2),
is_equivalent_to(rep(par["sigma"]^2, d)))
})
test_that("meta2full fail as intended", {
expect_error(meta2full(c(0.5, 1, 1, -0.2), d = 10))
expect_error(meta2full(c(0.5, 1, 1, -0.51), d = 3))
})
}
# Test more parameters!
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