https://github.com/cran/bayestestR
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Tip revision: 01482dc32c49cc56111762e704c854b5f287966a authored by Dominique Makowski on 20 April 2020, 05:10:28 UTC
version 0.6.0
Tip revision: 01482dc
test-hdi.R
if (require("rstanarm", quietly = TRUE) && require("brms", quietly = TRUE)) {

  test_that("hdi", {
    testthat::expect_equal(hdi(distribution_normal(1000), ci = .90)$CI_low[1], -1.64, tolerance = 0.02)
    testthat::expect_equal(nrow(hdi(distribution_normal(1000), ci = c(.80, .90, .95))), 3, tolerance = 0.01)
    testthat::expect_equal(hdi(distribution_normal(1000), ci = 1)$CI_low[1], -3.09, tolerance = 0.02)
    testthat::expect_equal(length(capture.output(print(hdi(distribution_normal(1000))))), 6)
    testthat::expect_equal(length(capture.output(print(hdi(distribution_normal(1000), ci = c(.80, .90))))), 12)


    testthat::expect_warning(hdi(c(2, 3, NA)))
    testthat::expect_warning(hdi(c(2, 3)))
    testthat::expect_warning(hdi(distribution_normal(1000), ci = 0.0000001))
    testthat::expect_warning(hdi(distribution_normal(1000), ci = 950))
    testthat::expect_warning(hdi(c(distribution_normal(1000, 0, 1), distribution_normal(1000, 6, 1), distribution_normal(1000, 12, 1)), ci = .10))
  })



  .runThisTest <- Sys.getenv("RunAllinsightTests") == "yes"
  if (.runThisTest || Sys.getenv("USER") == "travis") {
    if (require("insight")) {
      m <- insight::download_model("stanreg_merMod_5")
      p <- insight::get_parameters(m, effects = "all")

      test_that("ci", {
        testthat::expect_equal(
          hdi(m, ci = c(.5, .8), effects = "all")$CI_low,
          hdi(p, ci = c(.5, .8))$CI_low,
          tolerance = 1e-3
        )
      })

      m <- insight::download_model("brms_zi_3")
      p <- insight::get_parameters(m, effects = "all", component = "all")

      test_that("rope", {
        testthat::expect_equal(
          hdi(m, ci = c(.5, .8), effects = "all", component = "all")$CI_low,
          hdi(p, ci = c(.5, .8))$CI_low,
          tolerance = 1e-3
        )
      })
    }
  }
}
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