tests/testthat/test-resampling.R

In PKPDmisc: Pharmacokinetic and Pharmacodynamic Data Management Functions

context("resampledf")


dapa<- sd_oral_richpk %>% capitalize_names() %>%
  dplyr::filter(TIME %in% c(0, 0.5), ID %in% 5:7)%>%
  dplyr::select(ID, AGE, TIME)

no_extras <- resample_df(dapa, key_cols = "ID", strat_cols = "AGE", key_col_name = "Key", n=5) 
has_extras <- resample_df(dapa, key_cols = "ID", strat_cols = "AGE", key_col_name = "Key", n=10)


test_that("resample df properly recombines when it needs to make extra draws", {
  expect_equal(nrow(no_extras), 10)
  expect_equal(dplyr::n_distinct(no_extras$Key), 5)
  expect_equal(nrow(has_extras), 20)
  expect_equal(dplyr::n_distinct(has_extras$Key), 10)
})