skip_on_cran() skip_on_os(c("mac", "solaris")) skip_if_not_installed("GLMMadaptive") skip_if_not_installed("glmmTMB") skip_if_not_installed("pscl") skip_if_not_installed("emmeans") test_that("ggpredict", { data(fish, package = "ggeffects") 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() ) 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")) expect_equal(unname(p1), p2$predicted, tolerance = 1e-3) }) test_that("ggpredict", { m2 <- glmmTMB::glmmTMB( count ~ child + camper + (1 | persons), ziformula = ~ child + livebait + (1 | persons), data = fish, family = poisson() ) set.seed(123) nd <- new_data(m2, "livebait") p1 <- predict(m2, newdata = nd, type = "zprob") p2 <- suppressWarnings(ggpredict(m2, "livebait", type = "zi_prob")) expect_equal(unname(p1), p2$predicted, tolerance = 1e-3) }) test_that("ggpredict", { data(Salamanders, package = "glmmTMB") m3 <- pscl::zeroinfl(count ~ mined | mined, dist = "poisson", data = Salamanders) set.seed(123) nd <- new_data(m3, "mined") p1 <- predict(m3, newdata = nd, type = "zero") p2 <- suppressWarnings(ggpredict(m3, "mined", type = "zi_prob")) expect_equal(unname(p1), p2$predicted, tolerance = 1e-3) }) test_that("ggpredict", { data(Salamanders, package = "glmmTMB") m3 <- pscl::zeroinfl(count ~ mined | mined, dist = "poisson", data = Salamanders) set.seed(123) p3 <- suppressWarnings(ggemmeans(m3, "mined", type = "zi_prob")) expect_equal(p3$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 = "CL", vcov_args = list(type = "HC0", 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_error( { ggpredict( m1, "mined", type = "count", vcov = "CR0", vcov_args = list(cluster = Salamanders$site) ) }, regex = "Unable to extract" ) }) test_that("ggemmeans glmmTMB, zprob", { data(Salamanders, package = "glmmTMB") m <- glmmTMB::glmmTMB( count ~ spp + mined + (1 | site), ziformula = ~ spp + mined, family = glmmTMB::truncated_poisson, data = Salamanders ) out <- as.data.frame(emmeans::emmeans(m, "spp", component = "zi")) pred <- ggemmeans(m, "spp", type = "zi_prob") expect_equal(pred$predicted, plogis(out$emmean), tolerance = 1e-3, ignore_attr = TRUE) expect_equal(pred$conf.low, plogis(out$asymp.LCL), tolerance = 1e-3, ignore_attr = TRUE) expect_equal(pred$conf.high, plogis(out$asymp.UCL), tolerance = 1e-3, ignore_attr = TRUE) expect_equal(pred$x, out$spp, ignore_attr = TRUE) m <- glmmTMB::glmmTMB( count ~ spp + mined + (1 | site), ziformula = ~ spp + mined + (1 | site), family = glmmTMB::truncated_poisson, data = Salamanders ) out <- as.data.frame(emmeans::emmeans(m, "spp", component = "zi")) pred <- ggemmeans(m, "spp", type = "zi_prob") expect_equal(pred$predicted, plogis(out$emmean), tolerance = 1e-3, ignore_attr = TRUE) expect_equal(pred$conf.low, plogis(out$asymp.LCL), tolerance = 1e-3, ignore_attr = TRUE) expect_equal(pred$conf.high, plogis(out$asymp.UCL), tolerance = 1e-3, ignore_attr = TRUE) expect_equal(pred$x, out$spp, ignore_attr = TRUE) })