test_that("screening rules return correct results for instances with known violations", {
set.seed(216) # there is a violation for this seed and this setup
for (family in c("gaussian", "binomial", "poisson", "multinomial")) {
d <- owl:::randomProblem(100, 10, q = 0.1, response = family)
fit0 <- owl(d$x, d$y, family = family, screening = FALSE)
fit1 <- owl(d$x, d$y, family = family, screening = TRUE)
expect_equivalent(coef(fit0), coef(fit1), 1e-4)
}
})
test_that("basic screening rule works", {
set.seed(213)
xy <- owl:::randomProblem(100, 10, q = 0.1)
fit <- owl(xy$x, xy$y, screening = TRUE)
expect_lt(length(fit$active_sets[[1]]), ncol(xy$x))
})
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