R Under development (unstable) (2026-04-24 r89961 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> # This file is part of the standard setup for testthat.
> # It is recommended that you do not modify it.
> #
> # Where should you do additional test configuration?
> # Learn more about the roles of various files in:
> # * https://r-pkgs.org/testing-design.html#sec-tests-files-overview
> # * https://testthat.r-lib.org/articles/special-files.html
> 
> library(testthat)
> library(ldaOptim)
> 
> test_check("ldaOptim")
Fitting 2 models...

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Complete!
Fitting 3 models...

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Complete!
Fitting 3 models...

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Complete!
Starting validation of 8 models using 1 cores
Started at: 2026-04-25 17:25:25.171602
starting worker pid=12476 on localhost:11215 at 17:25:25.467
Loading required package: ldaOptim
loaded ldaOptim and set parent environment
[1] "[1/8] (12.5% complete, 7 remaining) - K:4 | Alpha:1.25 | Fold:1"
[1] "Completed [1/8] - Perplexity: 6606.38"
[1] "[2/8] (25% complete, 6 remaining) - K:4 | Alpha:0.25 | Fold:1"
[1] "Completed [2/8] - Perplexity: 6588.95"
[1] "[3/8] (37.5% complete, 5 remaining) - K:4 | Alpha:1.25 | Fold:2"
[1] "Completed [3/8] - Perplexity: 6633.79"
[1] "[4/8] (50% complete, 4 remaining) - K:4 | Alpha:0.25 | Fold:2"
[1] "Completed [4/8] - Perplexity: 6648.5"
[1] "[5/8] (62.5% complete, 3 remaining) - K:2 | Alpha:2.5 | Fold:1"
[1] "Completed [5/8] - Perplexity: 7464.44"
[1] "[6/8] (75% complete, 2 remaining) - K:2 | Alpha:0.5 | Fold:1"
[1] "Completed [6/8] - Perplexity: 7449.89"
[1] "[7/8] (87.5% complete, 1 remaining) - K:2 | Alpha:2.5 | Fold:2"
[1] "Completed [7/8] - Perplexity: 7493.77"
[1] "[8/8] (100% complete, 0 remaining) - K:2 | Alpha:0.5 | Fold:2"
[1] "Completed [8/8] - Perplexity: 7503.02"
Completed at: 2026-04-25 17:25:38.705811
Starting validation of 8 models using 1 cores
Started at: 2026-04-25 17:25:38.731561
starting worker pid=72128 on localhost:11215 at 17:25:39.037
Loading required package: ldaOptim
loaded ldaOptim and set parent environment
[1] "[1/8] (12.5% complete, 7 remaining) - K:4 | Alpha:1.25 | Fold:1"
[1] "Completed [1/8] - Perplexity: 6606.38"
[1] "[2/8] (25% complete, 6 remaining) - K:4 | Alpha:0.25 | Fold:1"
[1] "Completed [2/8] - Perplexity: 6588.95"
[1] "[3/8] (37.5% complete, 5 remaining) - K:4 | Alpha:1.25 | Fold:2"
[1] "Completed [3/8] - Perplexity: 6633.79"
[1] "[4/8] (50% complete, 4 remaining) - K:4 | Alpha:0.25 | Fold:2"
[1] "Completed [4/8] - Perplexity: 6648.5"
[1] "[5/8] (62.5% complete, 3 remaining) - K:2 | Alpha:2.5 | Fold:1"
[1] "Completed [5/8] - Perplexity: 7464.44"
[1] "[6/8] (75% complete, 2 remaining) - K:2 | Alpha:0.5 | Fold:1"
[1] "Completed [6/8] - Perplexity: 7449.89"
[1] "[7/8] (87.5% complete, 1 remaining) - K:2 | Alpha:2.5 | Fold:2"
[1] "Completed [7/8] - Perplexity: 7493.77"
[1] "[8/8] (100% complete, 0 remaining) - K:2 | Alpha:0.5 | Fold:2"
[1] "Completed [8/8] - Perplexity: 7503.02"
Completed at: 2026-04-25 17:25:52.167286
Starting validation of 4 models using 1 cores
Started at: 2026-04-25 17:25:52.189341
starting worker pid=15724 on localhost:11215 at 17:25:52.428
Loading required package: ldaOptim
loaded ldaOptim and set parent environment
[1] "[1/4] (25% complete, 3 remaining) - K:4 | Alpha:0.25 | Fold:1"
[1] "Completed [1/4] - Perplexity: 6588.95"
[1] "[2/4] (50% complete, 2 remaining) - K:4 | Alpha:0.25 | Fold:2"
[1] "Completed [2/4] - Perplexity: 6648.5"
[1] "[3/4] (75% complete, 1 remaining) - K:2 | Alpha:0.5 | Fold:1"
[1] "Completed [3/4] - Perplexity: 7449.89"
[1] "[4/4] (100% complete, 0 remaining) - K:2 | Alpha:0.5 | Fold:2"
[1] "Completed [4/4] - Perplexity: 7503.02"
Completed at: 2026-04-25 17:26:00.439032
Fitting 2 LDA models using 1 cores
k values: 2, 4
Alpha formula: 5/k
Started at: 2026-04-25 17:26:00.471041
Completed at: 2026-04-25 17:26:07.297408
Fitting 1 LDA models using 1 cores
k values: 3
Alpha formula: 5/k
Started at: 2026-04-25 17:26:07.321041
Completed at: 2026-04-25 17:26:12.48648
Fitting 1 LDA models using 1 cores
k values: 5
Alpha formula: 5/k
Started at: 2026-04-25 17:26:12.503171
Completed at: 2026-04-25 17:26:18.641533
Fitting 1 LDA models using 1 cores
k values: 3
Alpha formula: 5/k
Started at: 2026-04-25 17:26:18.689074
Completed at: 2026-04-25 17:26:24.209682
Fitting 1 LDA models using 1 cores
k values: 3
Alpha formula: 5/k
Started at: 2026-04-25 17:26:24.491522
Completed at: 2026-04-25 17:26:29.87856
Fitting 2 models...

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Complete!
Starting validation of 8 models using 1 cores
Started at: 2026-04-25 17:26:34.555503
starting worker pid=3120 on localhost:11215 at 17:26:34.831
Loading required package: ldaOptim
loaded ldaOptim and set parent environment
[1] "[1/8] (12.5% complete, 7 remaining) - K:4 | Alpha:1.25 | Fold:1"
[1] "Completed [1/8] - Perplexity: 6606.38"
[1] "[2/8] (25% complete, 6 remaining) - K:4 | Alpha:0.25 | Fold:1"
[1] "Completed [2/8] - Perplexity: 6588.95"
[1] "[3/8] (37.5% complete, 5 remaining) - K:4 | Alpha:1.25 | Fold:2"
[1] "Completed [3/8] - Perplexity: 6633.79"
[1] "[4/8] (50% complete, 4 remaining) - K:4 | Alpha:0.25 | Fold:2"
[1] "Completed [4/8] - Perplexity: 6648.5"
[1] "[5/8] (62.5% complete, 3 remaining) - K:2 | Alpha:2.5 | Fold:1"
[1] "Completed [5/8] - Perplexity: 7464.44"
[1] "[6/8] (75% complete, 2 remaining) - K:2 | Alpha:0.5 | Fold:1"
[1] "Completed [6/8] - Perplexity: 7449.89"
[1] "[7/8] (87.5% complete, 1 remaining) - K:2 | Alpha:2.5 | Fold:2"
[1] "Completed [7/8] - Perplexity: 7493.77"
[1] "[8/8] (100% complete, 0 remaining) - K:2 | Alpha:0.5 | Fold:2"
[1] "Completed [8/8] - Perplexity: 7503.02"
Completed at: 2026-04-25 17:26:47.661221
Suggested: alpha divisor = 2, k = 40 (perplexity = 805.03, alpha = 0.0500)
Note: elbow detection is approximate. Cross-reference with plot_alpha_smooth() and plot_alpha_second_derivative().
Suggested: alpha divisor = 2, k = 40 (perplexity = 805.03, alpha = 0.0500)
Note: elbow detection is approximate. Cross-reference with plot_alpha_smooth() and plot_alpha_second_derivative().
Suggested: alpha divisor = 2, k = 40 (perplexity = 805.03, alpha = 0.0500)
Note: elbow detection is approximate. Cross-reference with plot_alpha_smooth() and plot_alpha_second_derivative().
Suggested: alpha divisor = 2, k = 40 (perplexity = 851.27, alpha = 0.0500)
Note: elbow detection is approximate. Cross-reference with plot_alpha_smooth() and plot_alpha_second_derivative().
Starting validation of 16 models using 1 cores
Started at: 2026-04-25 17:26:47.956688
starting worker pid=59076 on localhost:11215 at 17:26:48.222
Loading required package: ldaOptim
loaded ldaOptim and set parent environment
[1] "[1/16] (6.2% complete, 15 remaining) - K:8 | Alpha:0.625 | Fold:1"
[1] "Completed [1/16] - Perplexity: 6285.18"
[1] "[2/16] (12.5% complete, 14 remaining) - K:8 | Alpha:0.125 | Fold:1"
[1] "Completed [2/16] - Perplexity: 6245.24"
[1] "[3/16] (18.8% complete, 13 remaining) - K:8 | Alpha:0.625 | Fold:2"
[1] "Completed [3/16] - Perplexity: 6424.53"
[1] "[4/16] (25% complete, 12 remaining) - K:8 | Alpha:0.125 | Fold:2"
[1] "Completed [4/16] - Perplexity: 6449.71"
[1] "[5/16] (31.2% complete, 11 remaining) - K:6 | Alpha:0.833 | Fold:1"
[1] "Completed [5/16] - Perplexity: 6368.95"
[1] "[6/16] (37.5% complete, 10 remaining) - K:6 | Alpha:0.167 | Fold:1"
[1] "Completed [6/16] - Perplexity: 6353.55"
[1] "[7/16] (43.8% complete, 9 remaining) - K:6 | Alpha:0.833 | Fold:2"
[1] "Completed [7/16] - Perplexity: 6495.54"
[1] "[8/16] (50% complete, 8 remaining) - K:6 | Alpha:0.167 | Fold:2"
[1] "Completed [8/16] - Perplexity: 6465.73"
[1] "[9/16] (56.2% complete, 7 remaining) - K:4 | Alpha:1.25 | Fold:1"
[1] "Completed [9/16] - Perplexity: 6606.38"
[1] "[10/16] (62.5% complete, 6 remaining) - K:4 | Alpha:0.25 | Fold:1"
[1] "Completed [10/16] - Perplexity: 6588.95"
[1] "[11/16] (68.8% complete, 5 remaining) - K:4 | Alpha:1.25 | Fold:2"
[1] "Completed [11/16] - Perplexity: 6633.79"
[1] "[12/16] (75% complete, 4 remaining) - K:4 | Alpha:0.25 | Fold:2"
[1] "Completed [12/16] - Perplexity: 6648.5"
[1] "[13/16] (81.2% complete, 3 remaining) - K:2 | Alpha:2.5 | Fold:1"
[1] "Completed [13/16] - Perplexity: 7464.44"
[1] "[14/16] (87.5% complete, 2 remaining) - K:2 | Alpha:0.5 | Fold:1"
[1] "Completed [14/16] - Perplexity: 7449.89"
[1] "[15/16] (93.8% complete, 1 remaining) - K:2 | Alpha:2.5 | Fold:2"
[1] "Completed [15/16] - Perplexity: 7493.77"
[1] "[16/16] (100% complete, 0 remaining) - K:2 | Alpha:0.5 | Fold:2"
[1] "Completed [16/16] - Perplexity: 7503.02"
Completed at: 2026-04-25 17:27:11.586952
Suggested: alpha divisor = 1, k = 4 (perplexity = 6618.73, alpha = 0.2500)
Note: elbow detection is approximate. Cross-reference with plot_alpha_smooth() and plot_alpha_second_derivative().
Elbow points suggest: k in [40, 60], median = 45 (4 metrics).
Note: metrics often disagree. Cross-reference with plot_topics_metrics().
Elbow points suggest: k in [40, 60], median = 45 (4 metrics).
Note: metrics often disagree. Cross-reference with plot_topics_metrics().
Elbow points suggest: k in [40, 60], median = 45 (4 metrics).
Note: metrics often disagree. Cross-reference with plot_topics_metrics().
Elbow points suggest: k in [40, 60], median = 40 (3 metrics).
Note: metrics often disagree. Cross-reference with plot_topics_metrics().
Elbow points suggest: k in [50, 50], median = 50 (4 metrics).
Note: metrics often disagree. Cross-reference with plot_topics_metrics().
Fitting 4 models...

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Complete!
Elbow points suggest: k in [4, 4], median = 4 (4 metrics).
Note: metrics often disagree. Cross-reference with plot_topics_metrics().
[ FAIL 0 | WARN 0 | SKIP 0 | PASS 41 ]
> 
> proc.time()
   user  system elapsed 
  33.17    1.04  135.84