tests/testthat/test-hcp-root.R

In ssdtools: Species Sensitivity Distributions

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# Copyright 2021 Environment and Climate Change Canada
# Copyright 2023-2024 Australian Government Department of Climate Change,
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test_that("hp is hc conc = 1 ci_method = 'multi_fixed'", {
  fits <- ssd_fit_dists(ssddata::ccme_boron)
  conc <- 1
  hp_multi <- ssd_hp(fits, conc = conc, average = TRUE, ci_method = "multi_fixed")
  hc_multi <- ssd_hc(fits, proportion = hp_multi$est / 100, average = TRUE, ci_method = "multi_fixed")
  expect_equal(hc_multi$est, 1)
  for (i in 1:10) {
    hp_multi <- ssd_hp(fits, conc = hc_multi$est, average = TRUE, ci_method = "multi_fixed")
    hc_multi <- ssd_hc(fits, proportion = hp_multi$est / 100, average = TRUE, ci_method = "multi_fixed")
  }
  expect_equal(hc_multi$est, 1)
})

test_that("hp is hc conc = 10 ci_method = 'multi_fixed'", {
  fits <- ssd_fit_dists(ssddata::ccme_boron)
  conc <- 10
  hp_multi <- ssd_hp(fits, conc = conc, average = TRUE, ci_method = "multi_fixed")
  hc_multi <- ssd_hc(fits, proportion = hp_multi$est / 100, average = TRUE, ci_method = "multi_fixed")
  expect_equal(hc_multi$est, 10.00000012176)
  for (i in 1:10) {
    hp_multi <- ssd_hp(fits, conc = hc_multi$est, average = TRUE, ci_method = "multi_fixed")
    hc_multi <- ssd_hc(fits, proportion = hp_multi$est / 100, average = TRUE, ci_method = "multi_fixed")
  }
  expect_equal(hc_multi$est, 10)
})