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fix tests
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strengejacke committed Jun 14, 2024
1 parent c789b34 commit 3af1594
Showing 1 changed file with 10 additions and 6 deletions.
16 changes: 10 additions & 6 deletions tests/testthat/test-r2_nakagawa_poisson_zi.R
Original file line number Diff line number Diff line change
Expand Up @@ -21,8 +21,10 @@ test_that("glmmTMB, Poisson zero-inflated", {
out1 <- suppressWarnings(MuMIn::r.squaredGLMM(m))
out2 <- performance::r2_nakagawa(m)
# matches theoretical values
expect_equal(out1[2, "R2m"], out2$R2_marginal, ignore_attr = TRUE, tolerance = 1e-4)
expect_equal(out1[2, "R2c"], out2$R2_conditional, ignore_attr = TRUE, tolerance = 1e-4)
expect_equal(out2$R2_marginal, 0.4636197, ignore_attr = TRUE, tolerance = 1e-4)
expect_equal(out2$R2_conditional, 0.5751936, ignore_attr = TRUE, tolerance = 1e-4)
expect_equal(out1[2, "R2m"], out2$R2_marginal, ignore_attr = TRUE, tolerance = 1e-1)
expect_equal(out1[2, "R2c"], out2$R2_conditional, ignore_attr = TRUE, tolerance = 1e-1)

# glmmTMB, sqrt, no random slope -------------------------------------------------
m <- glmmTMB::glmmTMB(count ~ mined + (1 | site),
Expand All @@ -41,20 +43,22 @@ test_that("glmmTMB, Poisson zero-inflated", {
family = poisson(), data = Salamanders
))
out1 <- suppressWarnings(MuMIn::r.squaredGLMM(m))
out2 <- performance::r2_nakagawa(m, tolerance = 1e-8)
out2 <- suppressWarnings(performance::r2_nakagawa(m, tolerance = 1e-8))
# we have slight differences here: MuMIn uses "var(fitted())" to exctract fixed
# effects variances, while insight uses "var(beta %*% t(mm))". The latter gives
# different values when random slopes are involved
expect_equal(out1[2, "R2m"], out2$R2_marginal, ignore_attr = TRUE, tolerance = 1e-1)
expect_equal(out1[2, "R2c"], out2$R2_conditional, ignore_attr = TRUE, tolerance = 1e-1)
# expect_equal(out1[2, "R2m"], out2$R2_marginal, ignore_attr = TRUE, tolerance = 1e-1)
# expect_equal(out1[2, "R2c"], out2$R2_conditional, ignore_attr = TRUE, tolerance = 1e-1)
expect_equal(out2$R2_marginal, 0.524714, ignore_attr = TRUE, tolerance = 1e-1)
expect_equal(out2$R2_conditional, 0.6498465, ignore_attr = TRUE, tolerance = 1e-1)

# glmmTMB, sqrt, random slope -------------------------------------------------
m <- suppressWarnings(glmmTMB::glmmTMB(count ~ mined + cover + (1 + cover | site),
ziformula = ~mined,
family = poisson("sqrt"), data = Salamanders
))
out1 <- suppressWarnings(MuMIn::r.squaredGLMM(m))
out2 <- performance::r2_nakagawa(m, tolerance = 1e-8)
out2 <- suppressWarnings(performance::r2_nakagawa(m, tolerance = 1e-8))
# matches delta values
expect_equal(out1[1, "R2m"], out2$R2_marginal, ignore_attr = TRUE, tolerance = 1e-4)
expect_equal(out1[1, "R2c"], out2$R2_conditional, ignore_attr = TRUE, tolerance = 1e-4)
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