R Under development (unstable) (2026-03-18 r89649 ucrt) -- "Unsuffered Consequences"
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> library("testthat")
> library("Quartet")
Loading required package: TreeTools
Loading required package: ape
> 
> test_check("Quartet")
[ FAIL 0 | WARN 1 | SKIP 6 | PASS 366 ]

══ Skipped tests (6) ═══════════════════════════════════════════════════════════
• On CRAN (6): 'test-1-tqdist.R:2:3', 'test-QuartetDistance.R:29:1',
  'test-VisualizeQuartet.R:13:1', 'test-regression-correctness.R:293:3',
  'test-regression-correctness.R:315:3', 'test-regression-correctness.R:410:3'

[ FAIL 0 | WARN 1 | SKIP 6 | PASS 366 ]
> 
> proc.time()
   user  system elapsed 
   5.56    4.64    8.62