Error in re-building vignettes:
  ...
Warning in learner$learn(train, param) :
  Number of blocks too large wrt. number of observations, log(m)/log(N) = 1.61/4.79 = 0.34, should be < 1/3, you results may suffer numerical inaccurracy. For detail see Zhang et. al. (2013)
Warning in learner$learn(train, param) :
  Number of blocks too large wrt. number of observations, log(m)/log(N) = 1.61/4.79 = 0.34, should be < 1/3, you results may suffer numerical inaccurracy. For detail see Zhang et. al. (2013)
Warning in learner$learn(train, param) :
  Number of blocks too large wrt. number of observations, log(m)/log(N) = 1.61/4.79 = 0.34, should be < 1/3, you results may suffer numerical inaccurracy. For detail see Zhang et. al. (2013)
Warning in learner$learn(train, param) :
  Number of blocks too large wrt. number of observations, log(m)/log(N) = 1.61/4.79 = 0.34, should be < 1/3, you results may suffer numerical inaccurracy. For detail see Zhang et. al. (2013)
Warning in learner$learn(train, param) :
  Number of blocks too large wrt. number of observations, log(m)/log(N) = 1.61/4.79 = 0.34, should be < 1/3, you results may suffer numerical inaccurracy. For detail see Zhang et. al. (2013)
Warning in learner$learn(train, param) :
  Number of blocks too large wrt. number of observations, log(m)/log(N) = 1.61/4.79 = 0.34, should be < 1/3, you results may suffer numerical inaccurracy. For detail see Zhang et. al. (2013)
Warning in learner$learn(train, param) :
  Number of blocks too large wrt. number of observations, log(m)/log(N) = 1.61/4.79 = 0.34, should be < 1/3, you results may suffer numerical inaccurracy. For detail see Zhang et. al. (2013)
Warning in learner$learn(train, param) :
  Number of blocks too large wrt. number of observations, log(m)/log(N) = 1.61/4.79 = 0.34, should be < 1/3, you results may suffer numerical inaccurracy. For detail see Zhang et. al. (2013)
Warning in learner$learn(train, param) :
  Number of blocks too large wrt. number of observations, log(m)/log(N) = 1.61/4.79 = 0.34, should be < 1/3, you results may suffer numerical inaccurracy. For detail see Zhang et. al. (2013)
2017-04-10 16:19:03: Constructing Axis 4/4
2017-04-10 16:19:03: Constructing Axis 1/4
Quitting from lines 34-39 (comparePCA.Rmd) 
Timing stopped at: 9.644 0.044 9.689
Error: processing vignette ‘comparePCA.Rmd’ failed with diagnostics:
cs_lu(A) failed: near-singular A (or out of memory)
Execution halted