Running ‘testthat.R’ [164s/215s]
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 ( 16509.37 )
  sigma=0.01 kernel=rbfdot lambda=0 nblocks=4 ( 471.1397 )
  sigma=0.1 kernel=rbfdot lambda=0 nblocks=4 ( 652311.2 )
  sigma=1 kernel=rbfdot lambda=0 nblocks=4 ( 136835 )
  sigma=10 kernel=rbfdot lambda=0 nblocks=4 ( 0.3393764 )
  sigma=100 kernel=rbfdot lambda=0 nblocks=4 ( 0.3171738 )
  sigma=1000 kernel=rbfdot lambda=0 nblocks=4 ( 0.4690577 )
  sigma=10000 kernel=rbfdot lambda=0 nblocks=4 ( 0.5020464 )
  sigma=0.001 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.5115732 )
  sigma=0.01 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.5183463 )
  sigma=0.1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.5509848 )
  sigma=1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.1922882 )
  sigma=10 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.1289925 )
  sigma=100 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.3246941 )
  sigma=1000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.4684968 )
  sigma=10000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.502049 )
  sigma=0.001 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.511703 )
  sigma=0.01 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.5132089 )
  sigma=0.1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.5270703 )
  sigma=1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.1913045 )
  sigma=10 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.1239376 )
  sigma=100 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.3198752 )
  sigma=1000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.4691824 )
  sigma=10000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.5020725 )
  sigma=0.001 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.5100731 )
  sigma=0.01 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.5121018 )
  sigma=0.1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.5237943 )
  sigma=1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.2599819 )
  sigma=10 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.1316833 )
  sigma=100 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.330414 )
  sigma=1000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.4724444 )
  sigma=10000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.5022845 )
  sigma=0.001 kernel=rbfdot lambda=1 nblocks=4 ( 0.5085655 )
  sigma=0.01 kernel=rbfdot lambda=1 nblocks=4 ( 0.5101724 )
  sigma=0.1 kernel=rbfdot lambda=1 nblocks=4 ( 0.5147824 )
  sigma=1 kernel=rbfdot lambda=1 nblocks=4 ( 0.4060085 )
  sigma=10 kernel=rbfdot lambda=1 nblocks=4 ( 0.2380885 )
  sigma=100 kernel=rbfdot lambda=1 nblocks=4 ( 0.3934199 )
  sigma=1000 kernel=rbfdot lambda=1 nblocks=4 ( 0.4854884 )
  sigma=10000 kernel=rbfdot lambda=1 nblocks=4 ( 0.5033873 )
  sigma=0.001 kernel=rbfdot lambda=10 nblocks=4 ( 0.5077001 )
  sigma=0.01 kernel=rbfdot lambda=10 nblocks=4 ( 0.5081781 )
  sigma=0.1 kernel=rbfdot lambda=10 nblocks=4 ( 0.5100858 )
  sigma=1 kernel=rbfdot lambda=10 nblocks=4 ( 0.4914234 )
  sigma=10 kernel=rbfdot lambda=10 nblocks=4 ( 0.4323518 )
  sigma=100 kernel=rbfdot lambda=10 nblocks=4 ( 0.4807899 )
  sigma=1000 kernel=rbfdot lambda=10 nblocks=4 ( 0.5011111 )
  sigma=10000 kernel=rbfdot lambda=10 nblocks=4 ( 0.5045414 )
  sigma=0.001 kernel=rbfdot lambda=100 nblocks=4 ( 0.5062774 )
  sigma=0.01 kernel=rbfdot lambda=100 nblocks=4 ( 0.5062679 )
  sigma=0.1 kernel=rbfdot lambda=100 nblocks=4 ( 0.5061559 )
  sigma=1 kernel=rbfdot lambda=100 nblocks=4 ( 0.5033962 )
  sigma=10 kernel=rbfdot lambda=100 nblocks=4 ( 0.496021 )
  sigma=100 kernel=rbfdot lambda=100 nblocks=4 ( 0.5020678 )
  sigma=1000 kernel=rbfdot lambda=100 nblocks=4 ( 0.504397 )
  sigma=10000 kernel=rbfdot lambda=100 nblocks=4 ( 0.504776 )
  predictors:  PC1 dependent:  PC2 
  sigma=0.001 kernel=rbfdot lambda=0 nblocks=4 ( 9466.87 )
  sigma=0.01 kernel=rbfdot lambda=0 nblocks=4 ( 1371.661 )
  sigma=0.1 kernel=rbfdot lambda=0 nblocks=4 ( 22636.72 )
  sigma=1 kernel=rbfdot lambda=0 nblocks=4 ( 204250174053 )
  sigma=10 kernel=rbfdot lambda=0 nblocks=4 ( 1.02239e+12 )
  Error in solve(Matrix(K + diag(lambda, N))) : 
    Lapack dgecon(): system computationally singular, reciprocal condition number = 3.54264e-17
  sigma=100 kernel=rbfdot lambda=0 nblocks=4 ( NA )
  sigma=1000 kernel=rbfdot lambda=0 nblocks=4 ( 1375076 )
  sigma=10000 kernel=rbfdot lambda=0 nblocks=4 ( 8.752212 )
  sigma=0.001 kernel=rbfdot lambda=0.001 nblocks=4 ( 2.040227 )
  sigma=0.01 kernel=rbfdot lambda=0.001 nblocks=4 ( 2.044704 )
  sigma=0.1 kernel=rbfdot lambda=0.001 nblocks=4 ( 2.053363 )
  sigma=1 kernel=rbfdot lambda=0.001 nblocks=4 ( 1.673368 )
  sigma=10 kernel=rbfdot lambda=0.001 nblocks=4 ( 1.875029 )
  sigma=100 kernel=rbfdot lambda=0.001 nblocks=4 ( 4.235408 )
  sigma=1000 kernel=rbfdot lambda=0.001 nblocks=4 ( 3.591184 )
  sigma=10000 kernel=rbfdot lambda=0.001 nblocks=4 ( 2.175352 )
  sigma=0.001 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.040311 )
  sigma=0.01 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.043644 )
  sigma=0.1 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.053311 )
  sigma=1 kernel=rbfdot lambda=0.01 nblocks=4 ( 1.718336 )
  sigma=10 kernel=rbfdot lambda=0.01 nblocks=4 ( 1.800851 )
  sigma=100 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.167385 )
  sigma=1000 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.217256 )
  sigma=10000 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.016298 )
  sigma=0.001 kernel=rbfdot lambda=0.1 nblocks=4 ( 2.039159 )
  sigma=0.01 kernel=rbfdot lambda=0.1 nblocks=4 ( 2.04039 )
  sigma=0.1 kernel=rbfdot lambda=0.1 nblocks=4 ( 2.046595 )
  sigma=1 kernel=rbfdot lambda=0.1 nblocks=4 ( 1.757053 )
  sigma=10 kernel=rbfdot lambda=0.1 nblocks=4 ( 1.699868 )
  sigma=100 kernel=rbfdot lambda=0.1 nblocks=4 ( 1.803037 )
  sigma=1000 kernel=rbfdot lambda=0.1 nblocks=4 ( 1.87484 )
  sigma=10000 kernel=rbfdot lambda=0.1 nblocks=4 ( 2.006318 )
  sigma=0.001 kernel=rbfdot lambda=1 nblocks=4 ( 2.037895 )
  sigma=0.01 kernel=rbfdot lambda=1 nblocks=4 ( 2.039834 )
  sigma=0.1 kernel=rbfdot lambda=1 nblocks=4 ( 2.043522 )
  sigma=1 kernel=rbfdot lambda=1 nblocks=4 ( 1.851561 )
  sigma=10 kernel=rbfdot lambda=1 nblocks=4 ( 1.692283 )
  sigma=100 kernel=rbfdot lambda=1 nblocks=4 ( 1.719542 )
  sigma=1000 kernel=rbfdot lambda=1 nblocks=4 ( 1.816285 )
  sigma=10000 kernel=rbfdot lambda=1 nblocks=4 ( 1.967955 )
  sigma=0.001 kernel=rbfdot lambda=10 nblocks=4 ( 2.036963 )
  sigma=0.01 kernel=rbfdot lambda=10 nblocks=4 ( 2.038152 )
  sigma=0.1 kernel=rbfdot lambda=10 nblocks=4 ( 2.039217 )
  sigma=1 kernel=rbfdot lambda=10 nblocks=4 ( 1.979485 )
  sigma=10 kernel=rbfdot lambda=10 nblocks=4 ( 1.788736 )
  sigma=100 kernel=rbfdot lambda=10 nblocks=4 ( 1.845112 )
  sigma=1000 kernel=rbfdot lambda=10 nblocks=4 ( 1.951568 )
  sigma=10000 kernel=rbfdot lambda=10 nblocks=4 ( 2.014576 )
  sigma=0.001 kernel=rbfdot lambda=100 nblocks=4 ( 2.035606 )
  sigma=0.01 kernel=rbfdot lambda=100 nblocks=4 ( 2.035672 )
  sigma=0.1 kernel=rbfdot lambda=100 nblocks=4 ( 2.036009 )
  sigma=1 kernel=rbfdot lambda=100 nblocks=4 ( 2.026096 )
  sigma=10 kernel=rbfdot lambda=100 nblocks=4 ( 1.981933 )
  sigma=100 kernel=rbfdot lambda=100 nblocks=4 ( 2.002135 )
  sigma=1000 kernel=rbfdot lambda=100 nblocks=4 ( 2.02344 )
  sigma=10000 kernel=rbfdot lambda=100 nblocks=4 ( 2.031889 )
  ── 1. Failure: check vs vegan isomap (@test_isomap.R#28)  ──────────────────────
  err < eps isn't true.
  err = 10.1507448081154, eps = 1e-13, expected err < eps
  
  trace= 0 
  predictors:  PC1 PC2 PC3 dependent:  PC4 
  sigma=0.001 kernel=rbfdot lambda=0 nblocks=4 ( 71439.01 )
  sigma=0.01 kernel=rbfdot lambda=0 nblocks=4 ( 107.5175 )
  sigma=0.1 kernel=rbfdot lambda=0 nblocks=4 ( 3.007108 )
  sigma=1 kernel=rbfdot lambda=0 nblocks=4 ( 0.07088138 )
  sigma=10 kernel=rbfdot lambda=0 nblocks=4 ( 0.02431478 )
  sigma=100 kernel=rbfdot lambda=0 nblocks=4 ( 0.02370748 )
  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)
  Error in LU.dgC(a) : 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 ( 0.02765856 )
  sigma=0.01 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.02786083 )
  sigma=0.1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.03127043 )
  sigma=1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.03460691 )
  sigma=10 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.02352178 )
  sigma=100 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.02371069 )
  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 ( 0.02560392 )
  sigma=0.01 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.02695376 )
  sigma=0.1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.02646296 )
  sigma=1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.02398071 )
  sigma=10 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.0229991 )
  sigma=100 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.02371251 )
  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 ( 0.02454601 )
  sigma=0.01 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.0251187 )
  sigma=0.1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02538506 )
  sigma=1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02394602 )
  sigma=10 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02344796 )
  sigma=100 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02369636 )
  sigma=1000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02367465 )
  sigma=10000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02367493 )
  sigma=0.001 kernel=rbfdot lambda=1 nblocks=4 ( 0.02404064 )
  sigma=0.01 kernel=rbfdot lambda=1 nblocks=4 ( 0.02438566 )
  sigma=0.1 kernel=rbfdot lambda=1 nblocks=4 ( 0.02460983 )
  sigma=1 kernel=rbfdot lambda=1 nblocks=4 ( 0.02289812 )
  sigma=10 kernel=rbfdot lambda=1 nblocks=4 ( 0.02335872 )
  sigma=100 kernel=rbfdot lambda=1 nblocks=4 ( 0.02368394 )
  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 ( 0.0238903 )
  sigma=0.01 kernel=rbfdot lambda=10 nblocks=4 ( 0.02397439 )
  sigma=0.1 kernel=rbfdot lambda=10 nblocks=4 ( 0.02400183 )
  sigma=1 kernel=rbfdot lambda=10 nblocks=4 ( 0.02344881 )
  sigma=10 kernel=rbfdot lambda=10 nblocks=4 ( 0.02356306 )
  sigma=100 kernel=rbfdot lambda=10 nblocks=4 ( 0.02367653 )
  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 ( 0.02373595 )
  sigma=0.01 kernel=rbfdot lambda=100 nblocks=4 ( 0.02373925 )
  sigma=0.1 kernel=rbfdot lambda=100 nblocks=4 ( 0.02374336 )
  sigma=1 kernel=rbfdot lambda=100 nblocks=4 ( 0.023647 )
  sigma=10 kernel=rbfdot lambda=100 nblocks=4 ( 0.02366282 )
  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 ( 783.5644 )
  sigma=0.01 kernel=rbfdot lambda=0 nblocks=4 ( 555946.6 )
  sigma=0.1 kernel=rbfdot lambda=0 nblocks=4 ( 1.040745e+32 )
  sigma=1 kernel=rbfdot lambda=0 nblocks=4 ( 7.865907e+24 )
  sigma=10 kernel=rbfdot lambda=0 nblocks=4 ( 0.1071548 )
  sigma=100 kernel=rbfdot lambda=0 nblocks=4 ( 0.0738597 )
  sigma=1000 kernel=rbfdot lambda=0 nblocks=4 ( 0.07503875 )
  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 ( 0.08882103 )
  sigma=0.01 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.07995661 )
  sigma=0.1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.09497225 )
  sigma=1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.1454701 )
  sigma=10 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.08752198 )
  sigma=100 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.07365044 )
  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 ( 0.08527798 )
  sigma=0.01 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.08608236 )
  sigma=0.1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.07853658 )
  sigma=1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.09892943 )
  sigma=10 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.07607588 )
  sigma=100 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.07380853 )
  sigma=1000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.07506116 )
  sigma=10000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.07550018 )
  sigma=0.001 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.08330494 )
  sigma=0.01 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.0870188 )
  sigma=0.1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.07894742 )
  sigma=1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.07838067 )
  sigma=10 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.07507022 )
  sigma=100 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.07404284 )
  sigma=1000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.07524732 )
  sigma=10000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.07565807 )
  sigma=0.001 kernel=rbfdot lambda=1 nblocks=4 ( 0.08193842 )
  sigma=0.01 kernel=rbfdot lambda=1 nblocks=4 ( 0.08400291 )
  sigma=0.1 kernel=rbfdot lambda=1 nblocks=4 ( 0.0830404 )
  sigma=1 kernel=rbfdot lambda=1 nblocks=4 ( 0.0741612 )
  sigma=10 kernel=rbfdot lambda=1 nblocks=4 ( 0.07433411 )
  sigma=100 kernel=rbfdot lambda=1 nblocks=4 ( 0.07544341 )
  sigma=1000 kernel=rbfdot lambda=1 nblocks=4 ( 0.07626583 )
  sigma=10000 kernel=rbfdot lambda=1 nblocks=4 ( 0.07651293 )
  sigma=0.001 kernel=rbfdot lambda=10 nblocks=4 ( 0.08074026 )
  sigma=0.01 kernel=rbfdot lambda=10 nblocks=4 ( 0.08123849 )
  sigma=0.1 kernel=rbfdot lambda=10 nblocks=4 ( 0.08217471 )
  sigma=1 kernel=rbfdot lambda=10 nblocks=4 ( 0.07784591 )
  sigma=10 kernel=rbfdot lambda=10 nblocks=4 ( 0.07657977 )
  sigma=100 kernel=rbfdot lambda=10 nblocks=4 ( 0.07722591 )
  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 ( 0.07855518 )
  sigma=0.01 kernel=rbfdot lambda=100 nblocks=4 ( 0.07857912 )
  sigma=0.1 kernel=rbfdot lambda=100 nblocks=4 ( 0.07858554 )
  sigma=1 kernel=rbfdot lambda=100 nblocks=4 ( 0.07780906 )
  sigma=10 kernel=rbfdot lambda=100 nblocks=4 ( 0.07755077 )
  sigma=100 kernel=rbfdot lambda=100 nblocks=4 ( 0.07763632 )
  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 ( 870.0033 )
  sigma=0.01 kernel=rbfdot lambda=0 nblocks=4 ( 30345.35 )
  sigma=0.1 kernel=rbfdot lambda=0 nblocks=4 ( 13020721 )
  sigma=1 kernel=rbfdot lambda=0 nblocks=4 ( 115433097816 )
  sigma=10 kernel=rbfdot lambda=0 nblocks=4 ( 1883699400 )
  sigma=100 kernel=rbfdot lambda=0 nblocks=4 ( 69.60364 )
  Error in .local(a, b, ...) : 
    cs_lu(A) failed: near-singular A (or out of memory)
  sigma=1000 kernel=rbfdot lambda=0 nblocks=4 ( NA )
  Error in .local(a, b, ...) : 
    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 ( 0.2407207 )
  sigma=0.01 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.1872505 )
  sigma=0.1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.172773 )
  sigma=1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.1473594 )
  sigma=10 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.2653172 )
  sigma=100 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.2750407 )
  sigma=1000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.2369717 )
  sigma=10000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.2246347 )
  sigma=0.001 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.2844769 )
  sigma=0.01 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.1932956 )
  sigma=0.1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.1734943 )
  sigma=1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.1391202 )
  sigma=10 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.1723965 )
  sigma=100 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.2106508 )
  sigma=1000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.216278 )
  sigma=10000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.2245596 )
  sigma=0.001 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.275095 )
  sigma=0.01 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.2453167 )
  sigma=0.1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.1864093 )
  sigma=1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.1381974 )
  sigma=10 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.1540341 )
  sigma=100 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.2047107 )
  sigma=1000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.2190455 )
  sigma=10000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.2237211 )
  sigma=0.001 kernel=rbfdot lambda=1 nblocks=4 ( 0.2611775 )
  sigma=0.01 kernel=rbfdot lambda=1 nblocks=4 ( 0.2694233 )
  sigma=0.1 kernel=rbfdot lambda=1 nblocks=4 ( 0.1845756 )
  sigma=1 kernel=rbfdot lambda=1 nblocks=4 ( 0.1636304 )
  sigma=10 kernel=rbfdot lambda=1 nblocks=4 ( 0.1747751 )
  sigma=100 kernel=rbfdot lambda=1 nblocks=4 ( 0.2030496 )
  sigma=1000 kernel=rbfdot lambda=1 nblocks=4 ( 0.2232787 )
  sigma=10000 kernel=rbfdot lambda=1 nblocks=4 ( 0.2310582 )
  sigma=0.001 kernel=rbfdot lambda=10 nblocks=4 ( 0.2534448 )
  sigma=0.01 kernel=rbfdot lambda=10 nblocks=4 ( 0.2558859 )
  sigma=0.1 kernel=rbfdot lambda=10 nblocks=4 ( 0.2327437 )
  sigma=1 kernel=rbfdot lambda=10 nblocks=4 ( 0.2074007 )
  sigma=10 kernel=rbfdot lambda=10 nblocks=4 ( 0.2182881 )
  sigma=100 kernel=rbfdot lambda=10 nblocks=4 ( 0.2298173 )
  sigma=1000 kernel=rbfdot lambda=10 nblocks=4 ( 0.236459 )
  sigma=10000 kernel=rbfdot lambda=10 nblocks=4 ( 0.239028 )
  sigma=0.001 kernel=rbfdot lambda=100 nblocks=4 ( 0.2445281 )
  sigma=0.01 kernel=rbfdot lambda=100 nblocks=4 ( 0.2446013 )
  sigma=0.1 kernel=rbfdot lambda=100 nblocks=4 ( 0.2409279 )
  sigma=1 kernel=rbfdot lambda=100 nblocks=4 ( 0.2356532 )
  sigma=10 kernel=rbfdot lambda=100 nblocks=4 ( 0.2379801 )
  sigma=100 kernel=rbfdot lambda=100 nblocks=4 ( 0.2396471 )
  sigma=1000 kernel=rbfdot lambda=100 nblocks=4 ( 0.2405241 )
  sigma=10000 kernel=rbfdot lambda=100 nblocks=4 ( 0.2408278 )
  ══ testthat results  ═══════════════════════════════════════════════════════════
  OK: 113 SKIPPED: 0 FAILED: 1
  1. Failure: check vs vegan isomap (@test_isomap.R#28) 
  
  Error: testthat unit tests failed
  Execution halted