Running ‘testthat.R’ [139s/199s]
Running the tests in ‘tests/testthat.R’ failed.
Complete output:
  > library(testthat)
  > library(dimRed)
  Loading required package: DRR
  Loading required package: kernlab
  Loading required package: CVST
  Loading required package: Matrix
  
  Attaching package: 'dimRed'
  
  The following object is masked from 'package:stats':
  
      embed
  
  The following object is masked from 'package:base':
  
      as.data.frame
  
  > 
  > test_check("dimRed")
  predictors:  PC1 PC2 dependent:  PC3 
  sigma=0.001 kernel=rbfdot lambda=0 nblocks=4 ( 705.2621 )
  sigma=0.01 kernel=rbfdot lambda=0 nblocks=4 ( 1540799 )
  sigma=0.1 kernel=rbfdot lambda=0 nblocks=4 ( 37190.11 )
  sigma=1 kernel=rbfdot lambda=0 nblocks=4 ( 2935.728 )
  sigma=10 kernel=rbfdot lambda=0 nblocks=4 ( 0.427768 )
  sigma=100 kernel=rbfdot lambda=0 nblocks=4 ( 0.3037526 )
  sigma=1000 kernel=rbfdot lambda=0 nblocks=4 ( 0.4690515 )
  sigma=10000 kernel=rbfdot lambda=0 nblocks=4 ( 0.4996234 )
  sigma=0.001 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.5113975 )
  sigma=0.01 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.5169852 )
  sigma=0.1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.5490784 )
  sigma=1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.1610215 )
  sigma=10 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.113453 )
  sigma=100 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.3024626 )
  sigma=1000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.4690709 )
  sigma=10000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.4996282 )
  sigma=0.001 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.5085301 )
  sigma=0.01 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.5163251 )
  sigma=0.1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.5271435 )
  sigma=1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.1605338 )
  sigma=10 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.1115422 )
  sigma=100 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.3037454 )
  sigma=1000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.4692958 )
  sigma=10000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.4996443 )
  sigma=0.001 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.5073738 )
  sigma=0.01 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.5117014 )
  sigma=0.1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.5185278 )
  sigma=1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.2438804 )
  sigma=10 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.1249903 )
  sigma=100 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.3132959 )
  sigma=1000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.4715298 )
  sigma=10000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.4997545 )
  sigma=0.001 kernel=rbfdot lambda=1 nblocks=4 ( 0.5050691 )
  sigma=0.01 kernel=rbfdot lambda=1 nblocks=4 ( 0.5078575 )
  sigma=0.1 kernel=rbfdot lambda=1 nblocks=4 ( 0.5152417 )
  sigma=1 kernel=rbfdot lambda=1 nblocks=4 ( 0.3819702 )
  sigma=10 kernel=rbfdot lambda=1 nblocks=4 ( 0.2247461 )
  sigma=100 kernel=rbfdot lambda=1 nblocks=4 ( 0.3843325 )
  sigma=1000 kernel=rbfdot lambda=1 nblocks=4 ( 0.4842754 )
  sigma=10000 kernel=rbfdot lambda=1 nblocks=4 ( 0.5003492 )
  sigma=0.001 kernel=rbfdot lambda=10 nblocks=4 ( 0.5039339 )
  sigma=0.01 kernel=rbfdot lambda=10 nblocks=4 ( 0.5047902 )
  sigma=0.1 kernel=rbfdot lambda=10 nblocks=4 ( 0.5078447 )
  sigma=1 kernel=rbfdot lambda=10 nblocks=4 ( 0.4842937 )
  sigma=10 kernel=rbfdot lambda=10 nblocks=4 ( 0.4243605 )
  sigma=100 kernel=rbfdot lambda=10 nblocks=4 ( 0.4754087 )
  sigma=1000 kernel=rbfdot lambda=10 nblocks=4 ( 0.4979294 )
  sigma=10000 kernel=rbfdot lambda=10 nblocks=4 ( 0.5009719 )
  sigma=0.001 kernel=rbfdot lambda=100 nblocks=4 ( 0.5025272 )
  sigma=0.01 kernel=rbfdot lambda=100 nblocks=4 ( 0.5026275 )
  sigma=0.1 kernel=rbfdot lambda=100 nblocks=4 ( 0.5028971 )
  sigma=1 kernel=rbfdot lambda=100 nblocks=4 ( 0.4994292 )
  sigma=10 kernel=rbfdot lambda=100 nblocks=4 ( 0.4917361 )
  sigma=100 kernel=rbfdot lambda=100 nblocks=4 ( 0.4981931 )
  sigma=1000 kernel=rbfdot lambda=100 nblocks=4 ( 0.5007647 )
  sigma=10000 kernel=rbfdot lambda=100 nblocks=4 ( 0.5010988 )
  predictors:  PC1 dependent:  PC2 
  sigma=0.001 kernel=rbfdot lambda=0 nblocks=4 ( 1318.502 )
  sigma=0.01 kernel=rbfdot lambda=0 nblocks=4 ( 7224.31 )
  sigma=0.1 kernel=rbfdot lambda=0 nblocks=4 ( 41926.98 )
  sigma=1 kernel=rbfdot lambda=0 nblocks=4 ( 2161028858 )
  sigma=10 kernel=rbfdot lambda=0 nblocks=4 ( 67224524189 )
  sigma=100 kernel=rbfdot lambda=0 nblocks=4 ( 6718816726 )
  sigma=1000 kernel=rbfdot lambda=0 nblocks=4 ( 2507732 )
  sigma=10000 kernel=rbfdot lambda=0 nblocks=4 ( 10.27665 )
  sigma=0.001 kernel=rbfdot lambda=0.001 nblocks=4 ( 2.129275 )
  sigma=0.01 kernel=rbfdot lambda=0.001 nblocks=4 ( 2.137352 )
  sigma=0.1 kernel=rbfdot lambda=0.001 nblocks=4 ( 2.112417 )
  sigma=1 kernel=rbfdot lambda=0.001 nblocks=4 ( 1.792019 )
  sigma=10 kernel=rbfdot lambda=0.001 nblocks=4 ( 1.989213 )
  sigma=100 kernel=rbfdot lambda=0.001 nblocks=4 ( 3.628829 )
  sigma=1000 kernel=rbfdot lambda=0.001 nblocks=4 ( 3.255423 )
  sigma=10000 kernel=rbfdot lambda=0.001 nblocks=4 ( 2.117869 )
  sigma=0.001 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.132393 )
  sigma=0.01 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.13364 )
  sigma=0.1 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.12969 )
  sigma=1 kernel=rbfdot lambda=0.01 nblocks=4 ( 1.791843 )
  sigma=10 kernel=rbfdot lambda=0.01 nblocks=4 ( 1.793908 )
  sigma=100 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.328451 )
  sigma=1000 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.15825 )
  sigma=10000 kernel=rbfdot lambda=0.01 nblocks=4 ( 1.973741 )
  sigma=0.001 kernel=rbfdot lambda=0.1 nblocks=4 ( 2.132339 )
  sigma=0.01 kernel=rbfdot lambda=0.1 nblocks=4 ( 2.131459 )
  sigma=0.1 kernel=rbfdot lambda=0.1 nblocks=4 ( 2.128394 )
  sigma=1 kernel=rbfdot lambda=0.1 nblocks=4 ( 1.80822 )
  sigma=10 kernel=rbfdot lambda=0.1 nblocks=4 ( 1.766237 )
  sigma=100 kernel=rbfdot lambda=0.1 nblocks=4 ( 1.835397 )
  sigma=1000 kernel=rbfdot lambda=0.1 nblocks=4 ( 1.813311 )
  sigma=10000 kernel=rbfdot lambda=0.1 nblocks=4 ( 1.928106 )
  sigma=0.001 kernel=rbfdot lambda=1 nblocks=4 ( 2.132248 )
  sigma=0.01 kernel=rbfdot lambda=1 nblocks=4 ( 2.131774 )
  sigma=0.1 kernel=rbfdot lambda=1 nblocks=4 ( 2.133628 )
  sigma=1 kernel=rbfdot lambda=1 nblocks=4 ( 1.862281 )
  sigma=10 kernel=rbfdot lambda=1 nblocks=4 ( 1.756918 )
  sigma=100 kernel=rbfdot lambda=1 nblocks=4 ( 1.751857 )
  sigma=1000 kernel=rbfdot lambda=1 nblocks=4 ( 1.811994 )
  sigma=10000 kernel=rbfdot lambda=1 nblocks=4 ( 1.965883 )
  sigma=0.001 kernel=rbfdot lambda=10 nblocks=4 ( 2.131172 )
  sigma=0.01 kernel=rbfdot lambda=10 nblocks=4 ( 2.131286 )
  sigma=0.1 kernel=rbfdot lambda=10 nblocks=4 ( 2.128351 )
  sigma=1 kernel=rbfdot lambda=10 nblocks=4 ( 2.000066 )
  sigma=10 kernel=rbfdot lambda=10 nblocks=4 ( 1.856132 )
  sigma=100 kernel=rbfdot lambda=10 nblocks=4 ( 1.909195 )
  sigma=1000 kernel=rbfdot lambda=10 nblocks=4 ( 2.018308 )
  sigma=10000 kernel=rbfdot lambda=10 nblocks=4 ( 2.0844 )
  sigma=0.001 kernel=rbfdot lambda=100 nblocks=4 ( 2.128267 )
  sigma=0.01 kernel=rbfdot lambda=100 nblocks=4 ( 2.128181 )
  sigma=0.1 kernel=rbfdot lambda=100 nblocks=4 ( 2.127042 )
  sigma=1 kernel=rbfdot lambda=100 nblocks=4 ( 2.102226 )
  sigma=10 kernel=rbfdot lambda=100 nblocks=4 ( 2.061736 )
  sigma=100 kernel=rbfdot lambda=100 nblocks=4 ( 2.089409 )
  sigma=1000 kernel=rbfdot lambda=100 nblocks=4 ( 2.111258 )
  sigma=10000 kernel=rbfdot lambda=100 nblocks=4 ( 2.120397 )
  ── 1. Failure: check vs vegan isomap (@test_isomap.R#28)  ──────────────────────
  err < eps isn't true.
  err = 9.93833000468995, eps = 1e-13, expected err < eps
  
  predictors:  PC1 PC2 PC3 dependent:  PC4 
  sigma=0.001 kernel=rbfdot lambda=0 nblocks=4 ( 9.945572e+15 )
  Error in solve(Matrix(K + diag(lambda, N))) : 
    Lapack routine dsytrf returned error code 21
  sigma=0.01 kernel=rbfdot lambda=0 nblocks=4 ( NA )
  sigma=0.1 kernel=rbfdot lambda=0 nblocks=4 ( 23.50504 )
  sigma=1 kernel=rbfdot lambda=0 nblocks=4 ( 0.04988154 )
  sigma=10 kernel=rbfdot lambda=0 nblocks=4 ( 0.02340922 )
  sigma=100 kernel=rbfdot lambda=0 nblocks=4 ( 0.02372564 )
  Error in LU.dgC(a) : cs_lu(A) failed: near-singular A (or out of memory)
  sigma=1000 kernel=rbfdot lambda=0 nblocks=4 ( NA )
  sigma=10000 kernel=rbfdot lambda=0 nblocks=4 ( 0.02367483 )
  sigma=0.001 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.02660715 )
  sigma=0.01 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.02771542 )
  sigma=0.1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.03012305 )
  sigma=1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.03269868 )
  sigma=10 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.02424772 )
  sigma=100 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.02372732 )
  sigma=1000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.02367448 )
  sigma=10000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.02367483 )
  sigma=0.001 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.02537911 )
  sigma=0.01 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.02724758 )
  sigma=0.1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.02560552 )
  sigma=1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.02624067 )
  sigma=10 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.02382652 )
  sigma=100 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.02370426 )
  sigma=1000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.0236745 )
  sigma=10000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.02367484 )
  sigma=0.001 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02443682 )
  sigma=0.01 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02519349 )
  sigma=0.1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02479802 )
  sigma=1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02424216 )
  sigma=10 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02363805 )
  sigma=100 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02369667 )
  sigma=1000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02367462 )
  sigma=10000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02367493 )
  sigma=0.001 kernel=rbfdot lambda=1 nblocks=4 ( 0.02404388 )
  sigma=0.01 kernel=rbfdot lambda=1 nblocks=4 ( 0.02432422 )
  sigma=0.1 kernel=rbfdot lambda=1 nblocks=4 ( 0.02488322 )
  sigma=1 kernel=rbfdot lambda=1 nblocks=4 ( 0.02327141 )
  sigma=10 kernel=rbfdot lambda=1 nblocks=4 ( 0.02332965 )
  sigma=100 kernel=rbfdot lambda=1 nblocks=4 ( 0.02368373 )
  sigma=1000 kernel=rbfdot lambda=1 nblocks=4 ( 0.02367529 )
  sigma=10000 kernel=rbfdot lambda=1 nblocks=4 ( 0.02367546 )
  sigma=0.001 kernel=rbfdot lambda=10 nblocks=4 ( 0.02389063 )
  sigma=0.01 kernel=rbfdot lambda=10 nblocks=4 ( 0.02395002 )
  sigma=0.1 kernel=rbfdot lambda=10 nblocks=4 ( 0.02409698 )
  sigma=1 kernel=rbfdot lambda=10 nblocks=4 ( 0.02347008 )
  sigma=10 kernel=rbfdot lambda=10 nblocks=4 ( 0.02356407 )
  sigma=100 kernel=rbfdot lambda=10 nblocks=4 ( 0.02367649 )
  sigma=1000 kernel=rbfdot lambda=10 nblocks=4 ( 0.02367602 )
  sigma=10000 kernel=rbfdot lambda=10 nblocks=4 ( 0.02367605 )
  sigma=0.001 kernel=rbfdot lambda=100 nblocks=4 ( 0.023736 )
  sigma=0.01 kernel=rbfdot lambda=100 nblocks=4 ( 0.02373899 )
  sigma=0.1 kernel=rbfdot lambda=100 nblocks=4 ( 0.02374131 )
  sigma=1 kernel=rbfdot lambda=100 nblocks=4 ( 0.02364724 )
  sigma=10 kernel=rbfdot lambda=100 nblocks=4 ( 0.02366277 )
  sigma=100 kernel=rbfdot lambda=100 nblocks=4 ( 0.0236762 )
  sigma=1000 kernel=rbfdot lambda=100 nblocks=4 ( 0.02367617 )
  sigma=10000 kernel=rbfdot lambda=100 nblocks=4 ( 0.02367618 )
  predictors:  PC1 PC2 dependent:  PC3 
  sigma=0.001 kernel=rbfdot lambda=0 nblocks=4 ( 26198559 )
  sigma=0.01 kernel=rbfdot lambda=0 nblocks=4 ( 223675.9 )
  sigma=0.1 kernel=rbfdot lambda=0 nblocks=4 ( 789992.6 )
  sigma=1 kernel=rbfdot lambda=0 nblocks=4 ( 3.316115 )
  Error in solve(Matrix(K + diag(lambda, N))) : 
    Lapack routine dsytrf returned error code 20
  sigma=10 kernel=rbfdot lambda=0 nblocks=4 ( NA )
  Error in solve(Matrix(K + diag(lambda, N))) : 
    Lapack dgecon(): system computationally singular, reciprocal condition number = 0
  sigma=100 kernel=rbfdot lambda=0 nblocks=4 ( NA )
  sigma=1000 kernel=rbfdot lambda=0 nblocks=4 ( 0.07504066 )
  sigma=10000 kernel=rbfdot lambda=0 nblocks=4 ( 0.07548114 )
  sigma=0.001 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.08760991 )
  sigma=0.01 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.08197417 )
  sigma=0.1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.08680952 )
  sigma=1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.1915092 )
  sigma=10 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.07818725 )
  sigma=100 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.07354123 )
  sigma=1000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.07504102 )
  sigma=10000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.07548306 )
  sigma=0.001 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.08485275 )
  sigma=0.01 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.08839176 )
  sigma=0.1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.0767556 )
  sigma=1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.1013403 )
  sigma=10 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.08057763 )
  sigma=100 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.07377838 )
  sigma=1000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.07506117 )
  sigma=10000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.07550018 )
  sigma=0.001 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.08388034 )
  sigma=0.01 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.08564532 )
  sigma=0.1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.08102349 )
  sigma=1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.08027562 )
  sigma=10 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.07332525 )
  sigma=100 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.07408366 )
  sigma=1000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.07524731 )
  sigma=10000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.07565807 )
  sigma=0.001 kernel=rbfdot lambda=1 nblocks=4 ( 0.08221084 )
  sigma=0.01 kernel=rbfdot lambda=1 nblocks=4 ( 0.08334529 )
  sigma=0.1 kernel=rbfdot lambda=1 nblocks=4 ( 0.08487596 )
  sigma=1 kernel=rbfdot lambda=1 nblocks=4 ( 0.07265007 )
  sigma=10 kernel=rbfdot lambda=1 nblocks=4 ( 0.07341644 )
  sigma=100 kernel=rbfdot lambda=1 nblocks=4 ( 0.07543498 )
  sigma=1000 kernel=rbfdot lambda=1 nblocks=4 ( 0.07626577 )
  sigma=10000 kernel=rbfdot lambda=1 nblocks=4 ( 0.07651293 )
  sigma=0.001 kernel=rbfdot lambda=10 nblocks=4 ( 0.08073495 )
  sigma=0.01 kernel=rbfdot lambda=10 nblocks=4 ( 0.08115806 )
  sigma=0.1 kernel=rbfdot lambda=10 nblocks=4 ( 0.08267141 )
  sigma=1 kernel=rbfdot lambda=10 nblocks=4 ( 0.07793715 )
  sigma=10 kernel=rbfdot lambda=10 nblocks=4 ( 0.07649853 )
  sigma=100 kernel=rbfdot lambda=10 nblocks=4 ( 0.07723146 )
  sigma=1000 kernel=rbfdot lambda=10 nblocks=4 ( 0.07741497 )
  sigma=10000 kernel=rbfdot lambda=10 nblocks=4 ( 0.07746377 )
  sigma=0.001 kernel=rbfdot lambda=100 nblocks=4 ( 0.07855537 )
  sigma=0.01 kernel=rbfdot lambda=100 nblocks=4 ( 0.07857791 )
  sigma=0.1 kernel=rbfdot lambda=100 nblocks=4 ( 0.07859132 )
  sigma=1 kernel=rbfdot lambda=100 nblocks=4 ( 0.07780939 )
  sigma=10 kernel=rbfdot lambda=100 nblocks=4 ( 0.07755028 )
  sigma=100 kernel=rbfdot lambda=100 nblocks=4 ( 0.07763633 )
  sigma=1000 kernel=rbfdot lambda=100 nblocks=4 ( 0.07765804 )
  sigma=10000 kernel=rbfdot lambda=100 nblocks=4 ( 0.07766344 )
  predictors:  PC1 dependent:  PC2 
  sigma=0.001 kernel=rbfdot lambda=0 nblocks=4 ( 4032.55 )
  sigma=0.01 kernel=rbfdot lambda=0 nblocks=4 ( 180.1178 )
  sigma=0.1 kernel=rbfdot lambda=0 nblocks=4 ( 15990774502 )
  sigma=1 kernel=rbfdot lambda=0 nblocks=4 ( 20950587058 )
  sigma=10 kernel=rbfdot lambda=0 nblocks=4 ( 111703014 )
  Error in solve(Matrix(K + diag(lambda, N))) : 
    Lapack dgecon(): system computationally singular, reciprocal condition number = 1.75199e-17
  sigma=100 kernel=rbfdot lambda=0 nblocks=4 ( NA )
  sigma=1000 kernel=rbfdot lambda=0 nblocks=4 ( 0.9310905 )
  Error in .local(a, b, ...) : 
    cs_lu(A) failed: near-singular A (or out of memory)
  Error in LU.dgC(a) : cs_lu(A) failed: near-singular A (or out of memory)
  sigma=10000 kernel=rbfdot lambda=0 nblocks=4 ( NA )
  sigma=0.001 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.2426855 )
  sigma=0.01 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.1873992 )
  sigma=0.1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.1889046 )
  sigma=1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.224699 )
  sigma=10 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.3886192 )
  sigma=100 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.3193375 )
  sigma=1000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.2256891 )
  sigma=10000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.2223229 )
  sigma=0.001 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.277227 )
  sigma=0.01 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.1931421 )
  sigma=0.1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.181681 )
  sigma=1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.1567141 )
  sigma=10 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.1971441 )
  sigma=100 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.2082999 )
  sigma=1000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.2210988 )
  sigma=10000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.2225394 )
  sigma=0.001 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.2782718 )
  sigma=0.01 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.2404894 )
  sigma=0.1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.1797374 )
  sigma=1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.1295602 )
  sigma=10 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.1522214 )
  sigma=100 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.1893055 )
  sigma=1000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.2184537 )
  sigma=10000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.2254889 )
  sigma=0.001 kernel=rbfdot lambda=1 nblocks=4 ( 0.261261 )
  sigma=0.01 kernel=rbfdot lambda=1 nblocks=4 ( 0.2704183 )
  sigma=0.1 kernel=rbfdot lambda=1 nblocks=4 ( 0.1902652 )
  sigma=1 kernel=rbfdot lambda=1 nblocks=4 ( 0.1599941 )
  sigma=10 kernel=rbfdot lambda=1 nblocks=4 ( 0.1700834 )
  sigma=100 kernel=rbfdot lambda=1 nblocks=4 ( 0.2044421 )
  sigma=1000 kernel=rbfdot lambda=1 nblocks=4 ( 0.2216249 )
  sigma=10000 kernel=rbfdot lambda=1 nblocks=4 ( 0.2311014 )
  sigma=0.001 kernel=rbfdot lambda=10 nblocks=4 ( 0.2534422 )
  sigma=0.01 kernel=rbfdot lambda=10 nblocks=4 ( 0.2555161 )
  sigma=0.1 kernel=rbfdot lambda=10 nblocks=4 ( 0.2321664 )
  sigma=1 kernel=rbfdot lambda=10 nblocks=4 ( 0.2069601 )
  sigma=10 kernel=rbfdot lambda=10 nblocks=4 ( 0.2182003 )
  sigma=100 kernel=rbfdot lambda=10 nblocks=4 ( 0.2298113 )
  sigma=1000 kernel=rbfdot lambda=10 nblocks=4 ( 0.2366179 )
  sigma=10000 kernel=rbfdot lambda=10 nblocks=4 ( 0.2390514 )
  sigma=0.001 kernel=rbfdot lambda=100 nblocks=4 ( 0.2445281 )
  sigma=0.01 kernel=rbfdot lambda=100 nblocks=4 ( 0.2446134 )
  sigma=0.1 kernel=rbfdot lambda=100 nblocks=4 ( 0.2409291 )
  sigma=1 kernel=rbfdot lambda=100 nblocks=4 ( 0.2356542 )
  sigma=10 kernel=rbfdot lambda=100 nblocks=4 ( 0.2379876 )
  sigma=100 kernel=rbfdot lambda=100 nblocks=4 ( 0.23965 )
  sigma=1000 kernel=rbfdot lambda=100 nblocks=4 ( 0.2405224 )
  sigma=10000 kernel=rbfdot lambda=100 nblocks=4 ( 0.2408273 )
  ══ testthat results  ═══════════════════════════════════════════════════════════
  OK: 114 SKIPPED: 0 FAILED: 1
  1. Failure: check vs vegan isomap (@test_isomap.R#28) 
  
  Error: testthat unit tests failed
  Execution halted