Running ‘testthat.R’ [143s/201s]
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 ( 6189.247 )
  sigma=0.01 kernel=rbfdot lambda=0 nblocks=4 ( 4060.478 )
  sigma=0.1 kernel=rbfdot lambda=0 nblocks=4 ( 2220916 )
  sigma=1 kernel=rbfdot lambda=0 nblocks=4 ( 1926.321 )
  sigma=10 kernel=rbfdot lambda=0 nblocks=4 ( 0.2706982 )
  sigma=100 kernel=rbfdot lambda=0 nblocks=4 ( 0.3343653 )
  sigma=1000 kernel=rbfdot lambda=0 nblocks=4 ( 0.5034739 )
  sigma=10000 kernel=rbfdot lambda=0 nblocks=4 ( 0.5338019 )
  sigma=0.001 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.5445527 )
  sigma=0.01 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.5533019 )
  sigma=0.1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.5977144 )
  sigma=1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.2231695 )
  sigma=10 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.1179833 )
  sigma=100 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.3261848 )
  sigma=1000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.5038844 )
  sigma=10000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.5338128 )
  sigma=0.001 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.5439215 )
  sigma=0.01 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.5503674 )
  sigma=0.1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.583908 )
  sigma=1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.1978443 )
  sigma=10 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.09802326 )
  sigma=100 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.3300577 )
  sigma=1000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.5039055 )
  sigma=10000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.5338349 )
  sigma=0.001 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.5417464 )
  sigma=0.01 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.5457373 )
  sigma=0.1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.566612 )
  sigma=1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.2880377 )
  sigma=10 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.1228832 )
  sigma=100 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.3412458 )
  sigma=1000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.5065325 )
  sigma=10000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.534023 )
  sigma=0.001 kernel=rbfdot lambda=1 nblocks=4 ( 0.5394618 )
  sigma=0.01 kernel=rbfdot lambda=1 nblocks=4 ( 0.5421218 )
  sigma=0.1 kernel=rbfdot lambda=1 nblocks=4 ( 0.5513539 )
  sigma=1 kernel=rbfdot lambda=1 nblocks=4 ( 0.4423798 )
  sigma=10 kernel=rbfdot lambda=1 nblocks=4 ( 0.2369752 )
  sigma=100 kernel=rbfdot lambda=1 nblocks=4 ( 0.4145809 )
  sigma=1000 kernel=rbfdot lambda=1 nblocks=4 ( 0.5193673 )
  sigma=10000 kernel=rbfdot lambda=1 nblocks=4 ( 0.5350624 )
  sigma=0.001 kernel=rbfdot lambda=10 nblocks=4 ( 0.5383458 )
  sigma=0.01 kernel=rbfdot lambda=10 nblocks=4 ( 0.5393908 )
  sigma=0.1 kernel=rbfdot lambda=10 nblocks=4 ( 0.5433359 )
  sigma=1 kernel=rbfdot lambda=10 nblocks=4 ( 0.5230799 )
  sigma=10 kernel=rbfdot lambda=10 nblocks=4 ( 0.4551692 )
  sigma=100 kernel=rbfdot lambda=10 nblocks=4 ( 0.5104212 )
  sigma=1000 kernel=rbfdot lambda=10 nblocks=4 ( 0.5332134 )
  sigma=10000 kernel=rbfdot lambda=10 nblocks=4 ( 0.5361816 )
  sigma=0.001 kernel=rbfdot lambda=100 nblocks=4 ( 0.5373814 )
  sigma=0.01 kernel=rbfdot lambda=100 nblocks=4 ( 0.5374846 )
  sigma=0.1 kernel=rbfdot lambda=100 nblocks=4 ( 0.5380687 )
  sigma=1 kernel=rbfdot lambda=100 nblocks=4 ( 0.535225 )
  sigma=10 kernel=rbfdot lambda=100 nblocks=4 ( 0.5264652 )
  sigma=100 kernel=rbfdot lambda=100 nblocks=4 ( 0.5334928 )
  sigma=1000 kernel=rbfdot lambda=100 nblocks=4 ( 0.5360864 )
  sigma=10000 kernel=rbfdot lambda=100 nblocks=4 ( 0.536412 )
  predictors:  PC1 dependent:  PC2 
  sigma=0.001 kernel=rbfdot lambda=0 nblocks=4 ( 3385.577 )
  sigma=0.01 kernel=rbfdot lambda=0 nblocks=4 ( 56533.36 )
  sigma=0.1 kernel=rbfdot lambda=0 nblocks=4 ( 1419021 )
  sigma=1 kernel=rbfdot lambda=0 nblocks=4 ( 5.080872e+12 )
  sigma=10 kernel=rbfdot lambda=0 nblocks=4 ( 105093866640 )
  sigma=100 kernel=rbfdot lambda=0 nblocks=4 ( 15596241953 )
  sigma=1000 kernel=rbfdot lambda=0 nblocks=4 ( 780681.4 )
  sigma=10000 kernel=rbfdot lambda=0 nblocks=4 ( 32.94519 )
  sigma=0.001 kernel=rbfdot lambda=0.001 nblocks=4 ( 2.008605 )
  sigma=0.01 kernel=rbfdot lambda=0.001 nblocks=4 ( 2.005801 )
  sigma=0.1 kernel=rbfdot lambda=0.001 nblocks=4 ( 2.023017 )
  sigma=1 kernel=rbfdot lambda=0.001 nblocks=4 ( 2.022279 )
  sigma=10 kernel=rbfdot lambda=0.001 nblocks=4 ( 2.335953 )
  sigma=100 kernel=rbfdot lambda=0.001 nblocks=4 ( 3.598358 )
  sigma=1000 kernel=rbfdot lambda=0.001 nblocks=4 ( 3.419463 )
  sigma=10000 kernel=rbfdot lambda=0.001 nblocks=4 ( 2.142075 )
  sigma=0.001 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.005555 )
  sigma=0.01 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.01469 )
  sigma=0.1 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.016865 )
  sigma=1 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.016499 )
  sigma=10 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.005544 )
  sigma=100 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.267871 )
  sigma=1000 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.464446 )
  sigma=10000 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.044741 )
  sigma=0.001 kernel=rbfdot lambda=0.1 nblocks=4 ( 2.003645 )
  sigma=0.01 kernel=rbfdot lambda=0.1 nblocks=4 ( 2.007406 )
  sigma=0.1 kernel=rbfdot lambda=0.1 nblocks=4 ( 2.007752 )
  sigma=1 kernel=rbfdot lambda=0.1 nblocks=4 ( 1.994225 )
  sigma=10 kernel=rbfdot lambda=0.1 nblocks=4 ( 2.007498 )
  sigma=100 kernel=rbfdot lambda=0.1 nblocks=4 ( 2.130698 )
  sigma=1000 kernel=rbfdot lambda=0.1 nblocks=4 ( 1.996204 )
  sigma=10000 kernel=rbfdot lambda=0.1 nblocks=4 ( 1.981158 )
  sigma=0.001 kernel=rbfdot lambda=1 nblocks=4 ( 1.998733 )
  sigma=0.01 kernel=rbfdot lambda=1 nblocks=4 ( 2.003496 )
  sigma=0.1 kernel=rbfdot lambda=1 nblocks=4 ( 2.009383 )
  sigma=1 kernel=rbfdot lambda=1 nblocks=4 ( 1.997437 )
  sigma=10 kernel=rbfdot lambda=1 nblocks=4 ( 1.961002 )
  sigma=100 kernel=rbfdot lambda=1 nblocks=4 ( 1.956116 )
  sigma=1000 kernel=rbfdot lambda=1 nblocks=4 ( 1.916252 )
  sigma=10000 kernel=rbfdot lambda=1 nblocks=4 ( 1.937078 )
  sigma=0.001 kernel=rbfdot lambda=10 nblocks=4 ( 1.996148 )
  sigma=0.01 kernel=rbfdot lambda=10 nblocks=4 ( 1.997745 )
  sigma=0.1 kernel=rbfdot lambda=10 nblocks=4 ( 2.002358 )
  sigma=1 kernel=rbfdot lambda=10 nblocks=4 ( 1.995958 )
  sigma=10 kernel=rbfdot lambda=10 nblocks=4 ( 1.962035 )
  sigma=100 kernel=rbfdot lambda=10 nblocks=4 ( 1.937627 )
  sigma=1000 kernel=rbfdot lambda=10 nblocks=4 ( 1.949393 )
  sigma=10000 kernel=rbfdot lambda=10 nblocks=4 ( 1.968803 )
  sigma=0.001 kernel=rbfdot lambda=100 nblocks=4 ( 1.990658 )
  sigma=0.01 kernel=rbfdot lambda=100 nblocks=4 ( 1.990788 )
  sigma=0.1 kernel=rbfdot lambda=100 nblocks=4 ( 1.991068 )
  sigma=1 kernel=rbfdot lambda=100 nblocks=4 ( 1.988456 )
  sigma=10 kernel=rbfdot lambda=100 nblocks=4 ( 1.980604 )
  sigma=100 kernel=rbfdot lambda=100 nblocks=4 ( 1.976584 )
  sigma=1000 kernel=rbfdot lambda=100 nblocks=4 ( 1.979998 )
  sigma=10000 kernel=rbfdot lambda=100 nblocks=4 ( 1.982849 )
  ── 1. Failure: check vs vegan isomap (@test_isomap.R#28)  ──────────────────────
  err < eps isn't true.
  err = 10.1642436375559, eps = 1e-13, expected err < eps
  
  predictors:  PC1 PC2 PC3 dependent:  PC4 
  sigma=0.001 kernel=rbfdot lambda=0 nblocks=4 ( 19896249558 )
  sigma=0.01 kernel=rbfdot lambda=0 nblocks=4 ( 477451753949 )
  sigma=0.1 kernel=rbfdot lambda=0 nblocks=4 ( 1.59333e+23 )
  sigma=1 kernel=rbfdot lambda=0 nblocks=4 ( 0.7622982 )
  sigma=10 kernel=rbfdot lambda=0 nblocks=4 ( 0.02380519 )
  sigma=100 kernel=rbfdot lambda=0 nblocks=4 ( 0.02372234 )
  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 )
  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 ( 0.0266273 )
  sigma=0.01 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.02601322 )
  sigma=0.1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.02957885 )
  sigma=1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.03954694 )
  sigma=10 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.02361964 )
  sigma=100 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.0236979 )
  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 ( 0.02519917 )
  sigma=0.01 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.0261226 )
  sigma=0.1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.02517046 )
  sigma=1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.026375 )
  sigma=10 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.02389286 )
  sigma=100 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.02370592 )
  sigma=1000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.02367453 )
  sigma=10000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.02367484 )
  sigma=0.001 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02430206 )
  sigma=0.01 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02536384 )
  sigma=0.1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02486164 )
  sigma=1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.024246 )
  sigma=10 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02362172 )
  sigma=100 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02371001 )
  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 ( 0.02404583 )
  sigma=0.01 kernel=rbfdot lambda=1 nblocks=4 ( 0.02441709 )
  sigma=0.1 kernel=rbfdot lambda=1 nblocks=4 ( 0.02480326 )
  sigma=1 kernel=rbfdot lambda=1 nblocks=4 ( 0.02314198 )
  sigma=10 kernel=rbfdot lambda=1 nblocks=4 ( 0.02335596 )
  sigma=100 kernel=rbfdot lambda=1 nblocks=4 ( 0.02368427 )
  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 ( 0.02389152 )
  sigma=0.01 kernel=rbfdot lambda=10 nblocks=4 ( 0.02396346 )
  sigma=0.1 kernel=rbfdot lambda=10 nblocks=4 ( 0.02404798 )
  sigma=1 kernel=rbfdot lambda=10 nblocks=4 ( 0.02342922 )
  sigma=10 kernel=rbfdot lambda=10 nblocks=4 ( 0.02356452 )
  sigma=100 kernel=rbfdot lambda=10 nblocks=4 ( 0.02367642 )
  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 ( 0.02373594 )
  sigma=0.01 kernel=rbfdot lambda=100 nblocks=4 ( 0.0237393 )
  sigma=0.1 kernel=rbfdot lambda=100 nblocks=4 ( 0.02374168 )
  sigma=1 kernel=rbfdot lambda=100 nblocks=4 ( 0.02364746 )
  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 ( 523.7584 )
  sigma=0.01 kernel=rbfdot lambda=0 nblocks=4 ( 3909821 )
  sigma=0.1 kernel=rbfdot lambda=0 nblocks=4 ( 91180.69 )
  Error in solve(Matrix(K + diag(lambda, N))) : 
    Lapack routine dsytrf returned error code 10
  sigma=1 kernel=rbfdot lambda=0 nblocks=4 ( NA )
  Error in solve(Matrix(K + diag(lambda, N))) : 
    Lapack routine dsytrf returned error code 6
  sigma=10 kernel=rbfdot lambda=0 nblocks=4 ( NA )
  Error in solve(Matrix(K + diag(lambda, N))) : 
    Lapack routine dsytrf returned error code 28
  sigma=100 kernel=rbfdot lambda=0 nblocks=4 ( NA )
  sigma=1000 kernel=rbfdot lambda=0 nblocks=4 ( 0.07503878 )
  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 ( 0.09023343 )
  sigma=0.01 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.08240668 )
  sigma=0.1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.08785706 )
  sigma=1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.1859378 )
  sigma=10 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.07813235 )
  sigma=100 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.07368538 )
  sigma=1000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.07504283 )
  sigma=10000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.07548306 )
  sigma=0.001 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.08477486 )
  sigma=0.01 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.08669089 )
  sigma=0.1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.08323418 )
  sigma=1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.08505252 )
  sigma=10 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.07662519 )
  sigma=100 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.07362727 )
  sigma=1000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.07506142 )
  sigma=10000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.07550018 )
  sigma=0.001 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.08376073 )
  sigma=0.01 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.0869981 )
  sigma=0.1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.08080443 )
  sigma=1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.07453699 )
  sigma=10 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.07341046 )
  sigma=100 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.07406536 )
  sigma=1000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.07524887 )
  sigma=10000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.07565807 )
  sigma=0.001 kernel=rbfdot lambda=1 nblocks=4 ( 0.08209383 )
  sigma=0.01 kernel=rbfdot lambda=1 nblocks=4 ( 0.08402845 )
  sigma=0.1 kernel=rbfdot lambda=1 nblocks=4 ( 0.08357245 )
  sigma=1 kernel=rbfdot lambda=1 nblocks=4 ( 0.07281386 )
  sigma=10 kernel=rbfdot lambda=1 nblocks=4 ( 0.07380759 )
  sigma=100 kernel=rbfdot lambda=1 nblocks=4 ( 0.07554621 )
  sigma=1000 kernel=rbfdot lambda=1 nblocks=4 ( 0.07626637 )
  sigma=10000 kernel=rbfdot lambda=1 nblocks=4 ( 0.07651293 )
  sigma=0.001 kernel=rbfdot lambda=10 nblocks=4 ( 0.08073274 )
  sigma=0.01 kernel=rbfdot lambda=10 nblocks=4 ( 0.0812625 )
  sigma=0.1 kernel=rbfdot lambda=10 nblocks=4 ( 0.08243906 )
  sigma=1 kernel=rbfdot lambda=10 nblocks=4 ( 0.07780904 )
  sigma=10 kernel=rbfdot lambda=10 nblocks=4 ( 0.07653372 )
  sigma=100 kernel=rbfdot lambda=10 nblocks=4 ( 0.07722786 )
  sigma=1000 kernel=rbfdot lambda=10 nblocks=4 ( 0.07741499 )
  sigma=10000 kernel=rbfdot lambda=10 nblocks=4 ( 0.07746377 )
  sigma=0.001 kernel=rbfdot lambda=100 nblocks=4 ( 0.07855548 )
  sigma=0.01 kernel=rbfdot lambda=100 nblocks=4 ( 0.0785827 )
  sigma=0.1 kernel=rbfdot lambda=100 nblocks=4 ( 0.07858982 )
  sigma=1 kernel=rbfdot lambda=100 nblocks=4 ( 0.07780827 )
  sigma=10 kernel=rbfdot lambda=100 nblocks=4 ( 0.07755061 )
  sigma=100 kernel=rbfdot lambda=100 nblocks=4 ( 0.07763631 )
  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 ( 177.2401 )
  sigma=0.01 kernel=rbfdot lambda=0 nblocks=4 ( 94210.49 )
  sigma=0.1 kernel=rbfdot lambda=0 nblocks=4 ( 58874688 )
  sigma=1 kernel=rbfdot lambda=0 nblocks=4 ( 1.287244e+12 )
  sigma=10 kernel=rbfdot lambda=0 nblocks=4 ( 570613157 )
  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 ( 0.2520743 )
  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 ( 0.2363491 )
  sigma=0.01 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.1902695 )
  sigma=0.1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.1917311 )
  sigma=1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.2005289 )
  sigma=10 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.2806193 )
  sigma=100 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.285142 )
  sigma=1000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.2218954 )
  sigma=10000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.222476 )
  sigma=0.001 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.2791823 )
  sigma=0.01 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.1887055 )
  sigma=0.1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.1779634 )
  sigma=1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.1408098 )
  sigma=10 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.1749056 )
  sigma=100 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.2013855 )
  sigma=1000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.2187981 )
  sigma=10000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.2249854 )
  sigma=0.001 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.273208 )
  sigma=0.01 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.2786985 )
  sigma=0.1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.1836866 )
  sigma=1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.1438159 )
  sigma=10 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.1581071 )
  sigma=100 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.195332 )
  sigma=1000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.2138444 )
  sigma=10000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.2248255 )
  sigma=0.001 kernel=rbfdot lambda=1 nblocks=4 ( 0.2610552 )
  sigma=0.01 kernel=rbfdot lambda=1 nblocks=4 ( 0.2686377 )
  sigma=0.1 kernel=rbfdot lambda=1 nblocks=4 ( 0.1878158 )
  sigma=1 kernel=rbfdot lambda=1 nblocks=4 ( 0.1631645 )
  sigma=10 kernel=rbfdot lambda=1 nblocks=4 ( 0.1709358 )
  sigma=100 kernel=rbfdot lambda=1 nblocks=4 ( 0.2037153 )
  sigma=1000 kernel=rbfdot lambda=1 nblocks=4 ( 0.2227024 )
  sigma=10000 kernel=rbfdot lambda=1 nblocks=4 ( 0.2309164 )
  sigma=0.001 kernel=rbfdot lambda=10 nblocks=4 ( 0.2533924 )
  sigma=0.01 kernel=rbfdot lambda=10 nblocks=4 ( 0.255681 )
  sigma=0.1 kernel=rbfdot lambda=10 nblocks=4 ( 0.2324297 )
  sigma=1 kernel=rbfdot lambda=10 nblocks=4 ( 0.2075734 )
  sigma=10 kernel=rbfdot lambda=10 nblocks=4 ( 0.2183084 )
  sigma=100 kernel=rbfdot lambda=10 nblocks=4 ( 0.2299843 )
  sigma=1000 kernel=rbfdot lambda=10 nblocks=4 ( 0.2365101 )
  sigma=10000 kernel=rbfdot lambda=10 nblocks=4 ( 0.2390178 )
  sigma=0.001 kernel=rbfdot lambda=100 nblocks=4 ( 0.2445284 )
  sigma=0.01 kernel=rbfdot lambda=100 nblocks=4 ( 0.2446085 )
  sigma=0.1 kernel=rbfdot lambda=100 nblocks=4 ( 0.2409512 )
  sigma=1 kernel=rbfdot lambda=100 nblocks=4 ( 0.2356789 )
  sigma=10 kernel=rbfdot lambda=100 nblocks=4 ( 0.2379844 )
  sigma=100 kernel=rbfdot lambda=100 nblocks=4 ( 0.2396499 )
  sigma=1000 kernel=rbfdot lambda=100 nblocks=4 ( 0.2405237 )
  sigma=10000 kernel=rbfdot lambda=100 nblocks=4 ( 0.2408275 )
  ══ 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