R Under development (unstable) (2023-08-26 r85014 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> test_check("LDM")
Loading required package: LDM
permutations: 1000 
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permutations: 5000 
[ FAIL 0 | WARN 0 | SKIP 0 | PASS 2 ]
> 
> proc.time()
   user  system elapsed 
  17.54    2.98   20.53