.runThisTest <- Sys.getenv("RunAllggeffectsTests") == "yes" if (.runThisTest && getRversion() >= "4.0.0" && requiet("testthat") && requiet("ggeffects") && requiet("GLMMadaptive") && requiet("glmmTMB") && requiet("pscl") && requiet("sandwich")) { data(fish) set.seed(123) m1 <- GLMMadaptive::mixed_model( count ~ child + camper, random = ~ 1 | persons, zi_fixed = ~ child + livebait, zi_random = ~ 1 | persons, data = fish, family = GLMMadaptive::zi.poisson() ) m2 <- glmmTMB( count ~ child + camper + (1 | persons), ziformula = ~ child + livebait + (1 | persons), data = fish, family = poisson() ) data(Salamanders) m3 <- zeroinfl(count ~ mined | mined, dist = "poisson", data = Salamanders) set.seed(123) nd <- new_data(m1, "livebait") p1 <- predict(m1, newdata = nd, type_pred = "response", type = "zero_part") p2 <- suppressWarnings(ggpredict(m1, "livebait", type = "zi_prob")) test_that("ggpredict", { expect_equal(unname(p1), p2$predicted, tolerance = 1e-3) }) set.seed(123) nd <- new_data(m2, "livebait") p1 <- predict(m2, newdata = nd, type = "zprob") p2 <- suppressWarnings(ggpredict(m2, "livebait", type = "zi_prob")) test_that("ggpredict", { expect_equal(unname(p1), p2$predicted, tolerance = 1e-3) }) set.seed(123) nd <- new_data(m3, "mined") p1 <- predict(m3, newdata = nd, type = "zero") p2 <- suppressWarnings(ggpredict(m3, "mined", type = "zi_prob")) test_that("ggpredict", { expect_equal(unname(p1), p2$predicted, tolerance = 1e-3) }) set.seed(123) p3 <- suppressWarnings(ggemmeans(m3, "mined", type = "zi_prob")) test_that("ggpredict", { expect_equal(p3$predicted, c(0.8409091, 0.3809524), tolerance = 1e-3) }) test_that("ggpredict pscl, sandwich", { skip_if_not_installed("sandwich") data(Salamanders, package = "glmmTMB") m1 <- pscl::zeroinfl(count ~ mined | mined, dist = "poisson", data = Salamanders) out <- ggpredict( m1, "mined", type = "count", vcov_fun = "vcovCL", vcov_type = "HC0", vcov_args = list(cluster = Salamanders$site) ) expect_named(out, c("x", "predicted", "std.error", "conf.low", "conf.high", "group")) expect_equal(out$conf.low, c(1.08279, 3.06608), tolerance = 1e-3) expect_message(expect_message({ out <- ggpredict( m1, "mined", type = "count", vcov_fun = "vcovCR", vcov_type = "CR0", vcov_args = list(cluster = Salamanders$site) ) }, regex = "robust"), regex = "variance-covariance") expect_named(out, c("x", "predicted", "group")) expect_null(out$conf.low) }) }