R version 4.6.0 beta (2026-04-12 r89874 ucrt) -- "Because it was There" Copyright (C) 2026 The R Foundation for Statistical Computing Platform: x86_64-w64-mingw32/x64 R is free software and comes with ABSOLUTELY NO WARRANTY. You are welcome to redistribute it under certain conditions. Type 'license()' or 'licence()' for distribution details. R is a collaborative project with many contributors. Type 'contributors()' for more information and 'citation()' on how to cite R or R packages in publications. Type 'demo()' for some demos, 'help()' for on-line help, or 'help.start()' for an HTML browser interface to help. Type 'q()' to quit R. > # This file is part of the standard testthat setup. > # It is recommended that you do not modify it. > # > # Where should you do your testing? > # Learn more about testing at https://r-pkgs.org/testing-basics.html > > library(testthat) > library(irtsim) > > test_check("irtsim") Iteration 1/3 Iteration 3/3 Iteration 2/5 Iteration 5/5 Iteration 4/5 Iteration 5/5 Iteration 3/5 Iteration 5/5 Iteration 5/10 Iteration 10/10 Iteration 2/5 Iteration 5/5 Iteration 2/5 Iteration 5/5 Iteration 2/5 Iteration 4/5 Iteration 5/5 Iteration 4/5 Iteration 5/5 Iteration 4/5 Iteration 5/5 Iteration 2/5 Iteration 5/5 Iteration 2/5 Iteration 5/5 Iteration 2/5 Iteration 5/5 IRT Design Model: 2PL Items: 20 items Theta dist: normal Factors: 1 a range: [0.204, 4.493] b range: [-1.508, 3.093] Iteration 1/3 Iteration 3/3 Iteration 2/5 Iteration 5/5 Iteration 1/5 Iteration 4/5 Iteration 5/5 Iteration 2/5 Iteration 5/5 Iteration 2/5 Iteration 5/5 Iteration 2/5 Iteration 5/5 Iteration 2/5 Iteration 5/5 Iteration 4/10 Iteration 9/10 Iteration 10/10 Iteration 1/3 Iteration 3/3 Iteration 1/3 Iteration 3/3 Iteration 1/10 Iteration 2/10 Iteration 8/10 Iteration 10/10 Iteration 1/3 Iteration 3/3 IRT Study Model: 2PL Items: 20 Sample sizes: 100, 250, 500 Missing data: MCAR (rate = 0.2) Ignoring unknown labels: * colour : "Parameter" * linetype : "Parameter" IRT Simulation Summary Model: 1PL Iterations: 10 Seed: 42 Item Parameter Criteria: sample_size item param true_value bias empirical_se mse 100 1 b -2 -0.048729636 0.1428494 0.02073993 100 2 b 0 -0.014232766 0.1666065 0.02518451 100 3 b 2 0.003588876 0.1718792 0.02660108 rmse coverage mcse_bias mcse_mse n_converged 0.1440136 0.9 0.04517294 0.01101117 10 0.1586963 0.9 0.05268559 0.01622127 10 0.1630984 1.0 0.05435296 0.00813754 10 Theta Recovery: sample_size mean_cor sd_cor mean_rmse sd_rmse n_converged 100 0.8872163 0.05253613 0.3297522 0.1072288 10 [ FAIL 0 | WARN 0 | SKIP 3 | PASS 1455 ] ══ Skipped tests (3) ═══════════════════════════════════════════════════════════ • Precomputed vignette data missing. Run data-raw/precompute_vignettes.R (3): 'test-vignette_data.R:6:3', 'test-vignette_data.R:20:3', 'test-vignette_data.R:34:3' [ FAIL 0 | WARN 0 | SKIP 3 | PASS 1455 ] > > proc.time() user system elapsed 240.62 7.73 248.45