Running ‘testthat.R’ [116s/116s]
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 ( 1351.434 )
  sigma=0.01 kernel=rbfdot lambda=0 nblocks=4 ( 679.6599 )
  sigma=0.1 kernel=rbfdot lambda=0 nblocks=4 ( 519449.2 )
  sigma=1 kernel=rbfdot lambda=0 nblocks=4 ( 1501.698 )
  sigma=10 kernel=rbfdot lambda=0 nblocks=4 ( 0.4578467 )
  sigma=100 kernel=rbfdot lambda=0 nblocks=4 ( 0.31233 )
  sigma=1000 kernel=rbfdot lambda=0 nblocks=4 ( 0.445436 )
  sigma=10000 kernel=rbfdot lambda=0 nblocks=4 ( 0.4741654 )
  sigma=0.001 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.4875456 )
  sigma=0.01 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.4946694 )
  sigma=0.1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.512907 )
  sigma=1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.1963628 )
  sigma=10 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.1340311 )
  sigma=100 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.3101651 )
  sigma=1000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.446216 )
  sigma=10000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.4741119 )
  sigma=0.001 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.4839287 )
  sigma=0.01 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.4887702 )
  sigma=0.1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.5044768 )
  sigma=1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.1846015 )
  sigma=10 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.118344 )
  sigma=100 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.311793 )
  sigma=1000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.4461093 )
  sigma=10000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.4741661 )
  sigma=0.001 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.4838159 )
  sigma=0.01 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.4859655 )
  sigma=0.1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.4972405 )
  sigma=1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.2415822 )
  sigma=10 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.1228843 )
  sigma=100 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.3189479 )
  sigma=1000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.4481285 )
  sigma=10000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.4746301 )
  sigma=0.001 kernel=rbfdot lambda=1 nblocks=4 ( 0.4830646 )
  sigma=0.01 kernel=rbfdot lambda=1 nblocks=4 ( 0.4844553 )
  sigma=0.1 kernel=rbfdot lambda=1 nblocks=4 ( 0.49167 )
  sigma=1 kernel=rbfdot lambda=1 nblocks=4 ( 0.3805509 )
  sigma=10 kernel=rbfdot lambda=1 nblocks=4 ( 0.228411 )
  sigma=100 kernel=rbfdot lambda=1 nblocks=4 ( 0.3776484 )
  sigma=1000 kernel=rbfdot lambda=1 nblocks=4 ( 0.4615628 )
  sigma=10000 kernel=rbfdot lambda=1 nblocks=4 ( 0.4769319 )
  sigma=0.001 kernel=rbfdot lambda=10 nblocks=4 ( 0.482737 )
  sigma=0.01 kernel=rbfdot lambda=10 nblocks=4 ( 0.4828254 )
  sigma=0.1 kernel=rbfdot lambda=10 nblocks=4 ( 0.4851485 )
  sigma=1 kernel=rbfdot lambda=10 nblocks=4 ( 0.4661157 )
  sigma=10 kernel=rbfdot lambda=10 nblocks=4 ( 0.4138016 )
  sigma=100 kernel=rbfdot lambda=10 nblocks=4 ( 0.4581672 )
  sigma=1000 kernel=rbfdot lambda=10 nblocks=4 ( 0.4764992 )
  sigma=10000 kernel=rbfdot lambda=10 nblocks=4 ( 0.479471 )
  sigma=0.001 kernel=rbfdot lambda=100 nblocks=4 ( 0.4814463 )
  sigma=0.01 kernel=rbfdot lambda=100 nblocks=4 ( 0.4813964 )
  sigma=0.1 kernel=rbfdot lambda=100 nblocks=4 ( 0.4813382 )
  sigma=1 kernel=rbfdot lambda=100 nblocks=4 ( 0.4788381 )
  sigma=10 kernel=rbfdot lambda=100 nblocks=4 ( 0.472055 )
  sigma=100 kernel=rbfdot lambda=100 nblocks=4 ( 0.4775723 )
  sigma=1000 kernel=rbfdot lambda=100 nblocks=4 ( 0.4796701 )
  sigma=10000 kernel=rbfdot lambda=100 nblocks=4 ( 0.4799971 )
  predictors:  PC1 dependent:  PC2 
  sigma=0.001 kernel=rbfdot lambda=0 nblocks=4 ( 46603.67 )
  sigma=0.01 kernel=rbfdot lambda=0 nblocks=4 ( 4931.671 )
  sigma=0.1 kernel=rbfdot lambda=0 nblocks=4 ( 95204.03 )
  sigma=1 kernel=rbfdot lambda=0 nblocks=4 ( 2.200427e+14 )
  sigma=10 kernel=rbfdot lambda=0 nblocks=4 ( 14213302283 )
  sigma=100 kernel=rbfdot lambda=0 nblocks=4 ( 7.3517e+11 )
  sigma=1000 kernel=rbfdot lambda=0 nblocks=4 ( 3231888 )
  sigma=10000 kernel=rbfdot lambda=0 nblocks=4 ( 92.52529 )
  sigma=0.001 kernel=rbfdot lambda=0.001 nblocks=4 ( 2.220466 )
  sigma=0.01 kernel=rbfdot lambda=0.001 nblocks=4 ( 2.225678 )
  sigma=0.1 kernel=rbfdot lambda=0.001 nblocks=4 ( 2.220605 )
  sigma=1 kernel=rbfdot lambda=0.001 nblocks=4 ( 1.723631 )
  sigma=10 kernel=rbfdot lambda=0.001 nblocks=4 ( 1.977246 )
  sigma=100 kernel=rbfdot lambda=0.001 nblocks=4 ( 3.820453 )
  sigma=1000 kernel=rbfdot lambda=0.001 nblocks=4 ( 3.604293 )
  sigma=10000 kernel=rbfdot lambda=0.001 nblocks=4 ( 2.453119 )
  sigma=0.001 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.218775 )
  sigma=0.01 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.223102 )
  sigma=0.1 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.228689 )
  sigma=1 kernel=rbfdot lambda=0.01 nblocks=4 ( 1.746411 )
  sigma=10 kernel=rbfdot lambda=0.01 nblocks=4 ( 1.859154 )
  sigma=100 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.413866 )
  sigma=1000 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.26917 )
  sigma=10000 kernel=rbfdot lambda=0.01 nblocks=4 ( 2.066315 )
  sigma=0.001 kernel=rbfdot lambda=0.1 nblocks=4 ( 2.217365 )
  sigma=0.01 kernel=rbfdot lambda=0.1 nblocks=4 ( 2.220283 )
  sigma=0.1 kernel=rbfdot lambda=0.1 nblocks=4 ( 2.226126 )
  sigma=1 kernel=rbfdot lambda=0.1 nblocks=4 ( 1.740321 )
  sigma=10 kernel=rbfdot lambda=0.1 nblocks=4 ( 1.811873 )
  sigma=100 kernel=rbfdot lambda=0.1 nblocks=4 ( 1.955825 )
  sigma=1000 kernel=rbfdot lambda=0.1 nblocks=4 ( 1.994864 )
  sigma=10000 kernel=rbfdot lambda=0.1 nblocks=4 ( 1.993244 )
  sigma=0.001 kernel=rbfdot lambda=1 nblocks=4 ( 2.216372 )
  sigma=0.01 kernel=rbfdot lambda=1 nblocks=4 ( 2.217562 )
  sigma=0.1 kernel=rbfdot lambda=1 nblocks=4 ( 2.221672 )
  sigma=1 kernel=rbfdot lambda=1 nblocks=4 ( 1.857326 )
  sigma=10 kernel=rbfdot lambda=1 nblocks=4 ( 1.741234 )
  sigma=100 kernel=rbfdot lambda=1 nblocks=4 ( 1.826186 )
  sigma=1000 kernel=rbfdot lambda=1 nblocks=4 ( 1.927856 )
  sigma=10000 kernel=rbfdot lambda=1 nblocks=4 ( 2.057553 )
  sigma=0.001 kernel=rbfdot lambda=10 nblocks=4 ( 2.214306 )
  sigma=0.01 kernel=rbfdot lambda=10 nblocks=4 ( 2.214743 )
  sigma=0.1 kernel=rbfdot lambda=10 nblocks=4 ( 2.21864 )
  sigma=1 kernel=rbfdot lambda=10 nblocks=4 ( 2.083135 )
  sigma=10 kernel=rbfdot lambda=10 nblocks=4 ( 1.878371 )
  sigma=100 kernel=rbfdot lambda=10 nblocks=4 ( 1.994651 )
  sigma=1000 kernel=rbfdot lambda=10 nblocks=4 ( 2.11111 )
  sigma=10000 kernel=rbfdot lambda=10 nblocks=4 ( 2.166085 )
  sigma=0.001 kernel=rbfdot lambda=100 nblocks=4 ( 2.208726 )
  sigma=0.01 kernel=rbfdot lambda=100 nblocks=4 ( 2.208747 )
  sigma=0.1 kernel=rbfdot lambda=100 nblocks=4 ( 2.209122 )
  sigma=1 kernel=rbfdot lambda=100 nblocks=4 ( 2.1869 )
  sigma=10 kernel=rbfdot lambda=100 nblocks=4 ( 2.135025 )
  sigma=100 kernel=rbfdot lambda=100 nblocks=4 ( 2.1697 )
  sigma=1000 kernel=rbfdot lambda=100 nblocks=4 ( 2.191317 )
  sigma=10000 kernel=rbfdot lambda=100 nblocks=4 ( 2.198471 )
  1. Failure: check vs vegan isomap (@test_isomap.R#28) --------------------------
  err < eps isn't true.
  err = 9.71587600539211, eps = 1e-13, expected err < eps
  
  predictors:  PC1 PC2 PC3 dependent:  PC4 
  sigma=0.001 kernel=rbfdot lambda=0 nblocks=4 ( 4.738296e+16 )
  sigma=0.01 kernel=rbfdot lambda=0 nblocks=4 ( 54.03423 )
  sigma=0.1 kernel=rbfdot lambda=0 nblocks=4 ( 2.885068e+16 )
  sigma=1 kernel=rbfdot lambda=0 nblocks=4 ( 0.06026651 )
  sigma=10 kernel=rbfdot lambda=0 nblocks=4 ( 0.0255224 )
  Error in LU.dgC(a) : cs_lu(A) failed: near-singular A (or out of memory)
  sigma=100 kernel=rbfdot lambda=0 nblocks=4 ( NA )
  sigma=1000 kernel=rbfdot lambda=0 nblocks=4 ( 0.02367451 )
  sigma=10000 kernel=rbfdot lambda=0 nblocks=4 ( 0.02367483 )
  sigma=0.001 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.02769904 )
  sigma=0.01 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.02580803 )
  sigma=0.1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.03237398 )
  sigma=1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.03395079 )
  sigma=10 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.02333714 )
  sigma=100 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.02370082 )
  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 ( 0.02545376 )
  sigma=0.01 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.02670002 )
  sigma=0.1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.02525347 )
  sigma=1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.02723735 )
  sigma=10 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.023593 )
  sigma=100 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.0236969 )
  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 ( 0.02436496 )
  sigma=0.01 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02519473 )
  sigma=0.1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02527431 )
  sigma=1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02420979 )
  sigma=10 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.02383135 )
  sigma=100 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.0236969 )
  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 ( 0.02403435 )
  sigma=0.01 kernel=rbfdot lambda=1 nblocks=4 ( 0.0243966 )
  sigma=0.1 kernel=rbfdot lambda=1 nblocks=4 ( 0.02438872 )
  sigma=1 kernel=rbfdot lambda=1 nblocks=4 ( 0.02325595 )
  sigma=10 kernel=rbfdot lambda=1 nblocks=4 ( 0.02333805 )
  sigma=100 kernel=rbfdot lambda=1 nblocks=4 ( 0.02368265 )
  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 ( 0.02389037 )
  sigma=0.01 kernel=rbfdot lambda=10 nblocks=4 ( 0.02395996 )
  sigma=0.1 kernel=rbfdot lambda=10 nblocks=4 ( 0.02397445 )
  sigma=1 kernel=rbfdot lambda=10 nblocks=4 ( 0.02346588 )
  sigma=10 kernel=rbfdot lambda=10 nblocks=4 ( 0.02356735 )
  sigma=100 kernel=rbfdot lambda=10 nblocks=4 ( 0.02367647 )
  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 ( 0.02373967 )
  sigma=0.1 kernel=rbfdot lambda=100 nblocks=4 ( 0.02374205 )
  sigma=1 kernel=rbfdot lambda=100 nblocks=4 ( 0.02364719 )
  sigma=10 kernel=rbfdot lambda=100 nblocks=4 ( 0.02366284 )
  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 ( 2365.994 )
  Error in solve(Matrix(K + diag(lambda, N))) : 
    Lapack routine dsytrf returned error code 20
  sigma=0.01 kernel=rbfdot lambda=0 nblocks=4 ( NA )
  sigma=0.1 kernel=rbfdot lambda=0 nblocks=4 ( 283740.2 )
  sigma=1 kernel=rbfdot lambda=0 nblocks=4 ( 15.3117 )
  sigma=10 kernel=rbfdot lambda=0 nblocks=4 ( 0.08409711 )
  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 )
  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 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 ( 0.08673306 )
  sigma=0.01 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.08494673 )
  sigma=0.1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.09992495 )
  sigma=1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.1289675 )
  sigma=10 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.07917922 )
  sigma=100 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.0734815 )
  sigma=1000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.07504105 )
  sigma=10000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.07548306 )
  sigma=0.001 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.08527972 )
  sigma=0.01 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.08940938 )
  sigma=0.1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.08027135 )
  sigma=1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.09395742 )
  sigma=10 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.07580324 )
  sigma=100 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.07383976 )
  sigma=1000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.07506115 )
  sigma=10000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.07550018 )
  sigma=0.001 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.08338215 )
  sigma=0.01 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.08619901 )
  sigma=0.1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.07981374 )
  sigma=1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.07633337 )
  sigma=10 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.07489125 )
  sigma=100 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.07391257 )
  sigma=1000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.07524734 )
  sigma=10000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.07565807 )
  sigma=0.001 kernel=rbfdot lambda=1 nblocks=4 ( 0.08206098 )
  sigma=0.01 kernel=rbfdot lambda=1 nblocks=4 ( 0.08434728 )
  sigma=0.1 kernel=rbfdot lambda=1 nblocks=4 ( 0.0840634 )
  sigma=1 kernel=rbfdot lambda=1 nblocks=4 ( 0.07427155 )
  sigma=10 kernel=rbfdot lambda=1 nblocks=4 ( 0.07448612 )
  sigma=100 kernel=rbfdot lambda=1 nblocks=4 ( 0.07543211 )
  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 ( 0.08072577 )
  sigma=0.01 kernel=rbfdot lambda=10 nblocks=4 ( 0.08123164 )
  sigma=0.1 kernel=rbfdot lambda=10 nblocks=4 ( 0.08205872 )
  sigma=1 kernel=rbfdot lambda=10 nblocks=4 ( 0.07768565 )
  sigma=10 kernel=rbfdot lambda=10 nblocks=4 ( 0.07654609 )
  sigma=100 kernel=rbfdot lambda=10 nblocks=4 ( 0.07722264 )
  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 ( 0.07855526 )
  sigma=0.01 kernel=rbfdot lambda=100 nblocks=4 ( 0.07857507 )
  sigma=0.1 kernel=rbfdot lambda=100 nblocks=4 ( 0.07857622 )
  sigma=1 kernel=rbfdot lambda=100 nblocks=4 ( 0.07780959 )
  sigma=10 kernel=rbfdot lambda=100 nblocks=4 ( 0.07755085 )
  sigma=100 kernel=rbfdot lambda=100 nblocks=4 ( 0.0776363 )
  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 ( 11379.64 )
  sigma=0.01 kernel=rbfdot lambda=0 nblocks=4 ( 35445063409 )
  sigma=0.1 kernel=rbfdot lambda=0 nblocks=4 ( 12288980 )
  sigma=1 kernel=rbfdot lambda=0 nblocks=4 ( 47270297957 )
  sigma=10 kernel=rbfdot lambda=0 nblocks=4 ( 10478160896 )
  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 ( 0.9326192 )
  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 ( 0.2309525 )
  sigma=0.01 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.1879527 )
  sigma=0.1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.172232 )
  sigma=1 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.3349134 )
  sigma=10 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.249494 )
  sigma=100 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.3513128 )
  sigma=1000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.2129181 )
  sigma=10000 kernel=rbfdot lambda=0.001 nblocks=4 ( 0.2245055 )
  sigma=0.001 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.2849403 )
  sigma=0.01 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.1937448 )
  sigma=0.1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.1738991 )
  sigma=1 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.136201 )
  sigma=10 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.1648223 )
  sigma=100 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.2387142 )
  sigma=1000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.2140022 )
  sigma=10000 kernel=rbfdot lambda=0.01 nblocks=4 ( 0.2243524 )
  sigma=0.001 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.2803829 )
  sigma=0.01 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.2347301 )
  sigma=0.1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.2014863 )
  sigma=1 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.1352652 )
  sigma=10 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.1532359 )
  sigma=100 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.1952414 )
  sigma=1000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.2132628 )
  sigma=10000 kernel=rbfdot lambda=0.1 nblocks=4 ( 0.2261294 )
  sigma=0.001 kernel=rbfdot lambda=1 nblocks=4 ( 0.2610465 )
  sigma=0.01 kernel=rbfdot lambda=1 nblocks=4 ( 0.2694336 )
  sigma=0.1 kernel=rbfdot lambda=1 nblocks=4 ( 0.1886426 )
  sigma=1 kernel=rbfdot lambda=1 nblocks=4 ( 0.163432 )
  sigma=10 kernel=rbfdot lambda=1 nblocks=4 ( 0.168542 )
  sigma=100 kernel=rbfdot lambda=1 nblocks=4 ( 0.2043094 )
  sigma=1000 kernel=rbfdot lambda=1 nblocks=4 ( 0.2231977 )
  sigma=10000 kernel=rbfdot lambda=1 nblocks=4 ( 0.2308392 )
  sigma=0.001 kernel=rbfdot lambda=10 nblocks=4 ( 0.2534504 )
  sigma=0.01 kernel=rbfdot lambda=10 nblocks=4 ( 0.2557279 )
  sigma=0.1 kernel=rbfdot lambda=10 nblocks=4 ( 0.2328379 )
  sigma=1 kernel=rbfdot lambda=10 nblocks=4 ( 0.2079888 )
  sigma=10 kernel=rbfdot lambda=10 nblocks=4 ( 0.2182901 )
  sigma=100 kernel=rbfdot lambda=10 nblocks=4 ( 0.2296618 )
  sigma=1000 kernel=rbfdot lambda=10 nblocks=4 ( 0.2364802 )
  sigma=10000 kernel=rbfdot lambda=10 nblocks=4 ( 0.239026 )
  sigma=0.001 kernel=rbfdot lambda=100 nblocks=4 ( 0.2445297 )
  sigma=0.01 kernel=rbfdot lambda=100 nblocks=4 ( 0.2446184 )
  sigma=0.1 kernel=rbfdot lambda=100 nblocks=4 ( 0.2409748 )
  sigma=1 kernel=rbfdot lambda=100 nblocks=4 ( 0.2356871 )
  sigma=10 kernel=rbfdot lambda=100 nblocks=4 ( 0.2379815 )
  sigma=100 kernel=rbfdot lambda=100 nblocks=4 ( 0.2396478 )
  sigma=1000 kernel=rbfdot lambda=100 nblocks=4 ( 0.2405243 )
  sigma=10000 kernel=rbfdot lambda=100 nblocks=4 ( 0.2408277 )
  testthat results ================================================================
  OK: 115 SKIPPED: 0 FAILED: 1
  1. Failure: check vs vegan isomap (@test_isomap.R#28) 
  
  Error: testthat unit tests failed
  Execution halted