* using log directory ‘/data/gannet/ripley/R/packages/tests-Suggests/ibawds.Rcheck’
* using R Under development (unstable) (2026-03-14 r89622)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    gcc (GCC) 15.2.1 20260123 (Red Hat 15.2.1-7)
    GNU Fortran (GCC) 15.2.1 20260123 (Red Hat 15.2.1-7)
* running under: Fedora Linux 42 (Workstation Edition)
* using session charset: UTF-8
* current time: 2026-03-14 17:14:56 UTC
* using option ‘--no-stop-on-test-error’
* checking for file ‘ibawds/DESCRIPTION’ ... OK
* checking extension type ... Package
* this is package ‘ibawds’ version ‘1.2.0’
* package encoding: UTF-8
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for executable files ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking for sufficient/correct file permissions ... OK
* checking whether package ‘ibawds’ can be installed ... OK
* checking package directory ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking for left-over files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking code files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... OK
* checking whether the package can be loaded with stated dependencies ... OK
* checking whether the package can be unloaded cleanly ... OK
* checking whether the namespace can be loaded with stated dependencies ... OK
* checking whether the namespace can be unloaded cleanly ... OK
* checking loading without being on the library search path ... OK
* checking use of S3 registration ... OK
* checking dependencies in R code ... OK
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... OK
* checking Rd files ... OK
* checking Rd metadata ... OK
* checking Rd line widths ... OK
* checking Rd cross-references ... OK
* checking for missing documentation entries ... OK
* checking for code/documentation mismatches ... OK
* checking Rd \usage sections ... OK
* checking Rd contents ... OK
* checking for unstated dependencies in examples ... OK
* checking contents of ‘data’ directory ... OK
* checking data for non-ASCII characters ... OK
* checking LazyData ... OK
* checking data for ASCII and uncompressed saves ... OK
* checking examples ... ERROR
Running examples in ‘ibawds-Ex.R’ failed
The error most likely occurred in:

> ### Name: cluster_with_centers
> ### Title: Cluster Data According to Centres and Recompute Centres
> ### Aliases: cluster_with_centers init_rand_centers
> 
> ### ** Examples
> 
> # demonstrate k-means with iris data
> # keep the relevant columns
> iris2 <- iris[, c("Sepal.Length", "Petal.Length")]
> 
> # initialise the cluster centres
> clust <- init_rand_centers(iris2, n = 3, seed = 2435)
> 
> # plot the data with the cluster centres
> library(ggplot2)
> ggplot(iris2, aes(x = Sepal.Length, y = Petal.Length)) +
+  geom_point(data = clust$centers, aes(colour = factor(1:3)),
+             shape = 18, size = 6) +
+  geom_point() +
+  scale_colour_brewer(palette = "Set1")
> 
> # assign clusters and compute new centres
> clust_new <- cluster_with_centers(iris2, clust$centers)
> 
> # plot the data with clustering
> clust$cluster <- clust_new$cluster
> voronoi_diagram(clust, x = "Sepal.Length", y = "Petal.Length",
+                 data = iris2)
Error in voronoi_diagram(clust, x = "Sepal.Length", y = "Petal.Length",  : 
  The package "deldir" is required.
Calls: voronoi_diagram -> <Anonymous>
Execution halted
* checking for unstated dependencies in ‘tests’ ... OK
* checking tests ...
  Running ‘spelling.R’
  Running ‘testthat.R’
 ERROR
Running the tests in ‘tests/testthat.R’ failed.
Complete output:
  > library(testthat)
  > library(ibawds)
  Loading required package: dslabs
  > 
  > test_check("ibawds")
  Saving _problems/test-evaluate_casestudy-27.R
  Saving _problems/test-evaluate_casestudy-36.R
  Saving _problems/test-evaluate_casestudy-48.R
  Saving _problems/test-evaluate_casestudy-63.R
  Saving _problems/test-evaluate_casestudy-75.R
  [ FAIL 5 | WARN 0 | SKIP 9 | PASS 61 ]
  
  ══ Skipped tests (9) ═══════════════════════════════════════════════════════════
  • On CRAN (3): 'test-cran_packages.R:8:3', 'test-cran_packages.R:20:3',
    'test-cran_packages.R:27:3'
  • {httr2} is not installed. (1): 'test-checks.R:2:1'
  • {knitr} is not installed. (1): 'test-slide_tools.R:2:1'
  • {lubridate} is not installed. (1): 'test-install.R:4:1'
  • {rvest} is not installed. (1): 'test-grading_tables.R:1:1'
  • {vdiffr} is not installed. (2): 'test-dist_plots.R:1:1', 'test-voronoi.R:1:1'
  
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Error ('test-evaluate_casestudy.R:27:3'): evaluate_casestudy() works for a perfect file ──
  <rlib_error_package_not_found/rlang_error/error/condition>
  Error in `evaluate_casestudy(ok_file, sol_file)`: The package "nanoparquet" is required.
  Backtrace:
      ▆
   1. ├─testthat::expect_equal(...) at test-evaluate_casestudy.R:27:3
   2. │ └─testthat::quasi_label(enquo(object), label)
   3. │   └─rlang::eval_bare(expr, quo_get_env(quo))
   4. └─ibawds::evaluate_casestudy(ok_file, sol_file)
   5.   └─rlang::check_installed("nanoparquet")
  ── Error ('test-evaluate_casestudy.R:35:3'): evaluate_casestudy() works for an incomplete file ──
  <rlib_error_package_not_found/rlang_error/error/condition>
  Error in `evaluate_casestudy(nok_file, sol_file)`: The package "nanoparquet" is required.
  Backtrace:
       ▆
    1. ├─... %>% ... at test-evaluate_casestudy.R:35:3
    2. ├─testthat::expect_warning(., str_glue("{nok_file} does not contain predictions"))
    3. │ └─testthat:::expect_condition_matching_(...)
    4. │   └─testthat:::quasi_capture(...)
    5. │     ├─testthat (local) .capture(...)
    6. │     │ └─base::withCallingHandlers(...)
    7. │     └─rlang::eval_bare(quo_get_expr(.quo), quo_get_env(.quo))
    8. ├─testthat::expect_equal(...)
    9. │ └─testthat::quasi_label(enquo(object), label)
   10. │   └─rlang::eval_bare(expr, quo_get_env(quo))
   11. └─ibawds::evaluate_casestudy(nok_file, sol_file)
   12.   └─rlang::check_installed("nanoparquet")
  ── Error ('test-evaluate_casestudy.R:44:3'): evaluate_casestudy() works for a file with errors ──
  <rlib_error_package_not_found/rlang_error/error/condition>
  Error in `evaluate_casestudy(errors_file, sol_file)`: The package "nanoparquet" is required.
  Backtrace:
       ▆
    1. ├─... %>% ... at test-evaluate_casestudy.R:44:3
    2. ├─testthat::expect_warning(., str_glue("{errors_file} contains predictions that are NA"))
    3. │ └─testthat:::expect_condition_matching_(...)
    4. │   └─testthat:::quasi_capture(...)
    5. │     ├─testthat (local) .capture(...)
    6. │     │ └─base::withCallingHandlers(...)
    7. │     └─rlang::eval_bare(quo_get_expr(.quo), quo_get_env(.quo))
    8. ├─testthat::expect_warning(., str_glue("{errors_file} contains invalid predictions"))
    9. │ └─testthat:::expect_condition_matching_(...)
   10. │   └─testthat:::quasi_capture(...)
   11. │     ├─testthat (local) .capture(...)
   12. │     │ └─base::withCallingHandlers(...)
   13. │     └─rlang::eval_bare(quo_get_expr(.quo), quo_get_env(.quo))
   14. ├─testthat::expect_warning(., str_glue("{errors_file} contains invalid ids"))
   15. │ └─testthat:::expect_condition_matching_(...)
   16. │   └─testthat:::quasi_capture(...)
   17. │     ├─testthat (local) .capture(...)
   18. │     │ └─base::withCallingHandlers(...)
   19. │     └─rlang::eval_bare(quo_get_expr(.quo), quo_get_env(.quo))
   20. ├─testthat::expect_warning(., str_glue("{errors_file} does not contain predictions"))
   21. │ └─testthat:::expect_condition_matching_(...)
   22. │   └─testthat:::quasi_capture(...)
   23. │     ├─testthat (local) .capture(...)
   24. │     │ └─base::withCallingHandlers(...)
   25. │     └─rlang::eval_bare(quo_get_expr(.quo), quo_get_env(.quo))
   26. ├─testthat::expect_equal(...)
   27. │ └─testthat::quasi_label(enquo(object), label)
   28. │   └─rlang::eval_bare(expr, quo_get_env(quo))
   29. └─ibawds::evaluate_casestudy(errors_file, sol_file)
   30.   └─rlang::check_installed("nanoparquet")
  ── Error ('test-evaluate_casestudy.R:53:3'): evaluate_casestudy() works with multiple files ──
  <rlib_error_package_not_found/rlang_error/error/condition>
  Error in `evaluate_casestudy(c(ok_file, nok_file, errors_file), sol_file)`: The package "nanoparquet" is required.
  Backtrace:
       ▆
    1. ├─... %>% ... at test-evaluate_casestudy.R:53:3
    2. ├─testthat::expect_warning(., str_glue("{errors_file} contains predictions that are NA"))
    3. │ └─testthat:::expect_condition_matching_(...)
    4. │   └─testthat:::quasi_capture(...)
    5. │     ├─testthat (local) .capture(...)
    6. │     │ └─base::withCallingHandlers(...)
    7. │     └─rlang::eval_bare(quo_get_expr(.quo), quo_get_env(.quo))
    8. ├─testthat::expect_warning(., str_glue("{errors_file} contains invalid predictions"))
    9. │ └─testthat:::expect_condition_matching_(...)
   10. │   └─testthat:::quasi_capture(...)
   11. │     ├─testthat (local) .capture(...)
   12. │     │ └─base::withCallingHandlers(...)
   13. │     └─rlang::eval_bare(quo_get_expr(.quo), quo_get_env(.quo))
   14. ├─testthat::expect_warning(., str_glue("{errors_file} contains invalid ids"))
   15. │ └─testthat:::expect_condition_matching_(...)
   16. │   └─testthat:::quasi_capture(...)
   17. │     ├─testthat (local) .capture(...)
   18. │     │ └─base::withCallingHandlers(...)
   19. │     └─rlang::eval_bare(quo_get_expr(.quo), quo_get_env(.quo))
   20. ├─testthat::expect_warning(., str_glue("{errors_file} does not contain predictions"))
   21. │ └─testthat:::expect_condition_matching_(...)
   22. │   └─testthat:::quasi_capture(...)
   23. │     ├─testthat (local) .capture(...)
   24. │     │ └─base::withCallingHandlers(...)
   25. │     └─rlang::eval_bare(quo_get_expr(.quo), quo_get_env(.quo))
   26. ├─testthat::expect_warning(., str_glue("{nok_file} does not contain predictions"))
   27. │ └─testthat:::expect_condition_matching_(...)
   28. │   └─testthat:::quasi_capture(...)
   29. │     ├─testthat (local) .capture(...)
   30. │     │ └─base::withCallingHandlers(...)
   31. │     └─rlang::eval_bare(quo_get_expr(.quo), quo_get_env(.quo))
   32. ├─testthat::expect_equal(...)
   33. │ └─testthat::quasi_label(enquo(object), label)
   34. │   └─rlang::eval_bare(expr, quo_get_env(quo))
   35. └─ibawds::evaluate_casestudy(...)
   36.   └─rlang::check_installed("nanoparquet")
  ── Error ('test-evaluate_casestudy.R:72:3'): evaluate_casestudy() works with draws ──
  <rlib_error_package_not_found/rlang_error/error/condition>
  Error in `evaluate_casestudy(pred_files, sol_file)`: The package "nanoparquet" is required.
  Backtrace:
      ▆
   1. ├─testthat::expect_equal(...) at test-evaluate_casestudy.R:72:3
   2. │ └─testthat::quasi_label(enquo(object), label)
   3. │   └─rlang::eval_bare(expr, quo_get_env(quo))
   4. ├─base::suppressWarnings(evaluate_casestudy(pred_files, sol_file))
   5. │ └─base::withCallingHandlers(...)
   6. └─ibawds::evaluate_casestudy(pred_files, sol_file)
   7.   └─rlang::check_installed("nanoparquet")
  
  [ FAIL 5 | WARN 0 | SKIP 9 | PASS 61 ]
  Deleting unused snapshots: 'dist_plots/density-plot-binomial.svg',
  'dist_plots/density-plot-chi2.svg', 'dist_plots/density-plot-normal.svg',
  'dist_plots/density-plot-poisson.svg', 'dist_plots/density-plot-weibull.svg',
  'dist_plots/distribution-plot-binomial.svg',
  'dist_plots/distribution-plot-normal.svg',
  'dist_plots/distribution-plot-poisson-continuous.svg',
  'dist_plots/distribution-plot-uniform.svg', 'voronoi/voronoi-default.svg',
  'voronoi/voronoi-suppress-data.svg', 'voronoi/voronoi-uncoloured-data.svg',
  'voronoi/voronoi-with-data.svg', and 'voronoi/voronoi-with-options.svg'
  Error:
  ! Test failures.
  Execution halted
* checking PDF version of manual ... OK
* checking HTML version of manual ... OK
* checking for non-standard things in the check directory ... OK
* checking for detritus in the temp directory ... OK
* DONE

Status: 2 ERRORs
See
  ‘/data/gannet/ripley/R/packages/tests-Suggests/ibawds.Rcheck/00check.log’
for details.

Command exited with non-zero status 1
Time 1:15.42, 59.19 + 7.78