Error(s) in re-building vignettes:
  ...
--- re-building ‘competingRisk.Rmd’ using rmarkdown
Warning in checkwz(wz, M = M, trace = trace, wzepsilon = control$wzepsilon) :
  2166 diagonal elements of the working weights variable 'wz' have been replaced by 1.819e-12
Warning in checkwz(wz, M = M, trace = trace, wzepsilon = control$wzepsilon) :
  2511 diagonal elements of the working weights variable 'wz' have been replaced by 1.819e-12
Warning in checkwz(wz, M = M, trace = trace, wzepsilon = control$wzepsilon) :
  2564 diagonal elements of the working weights variable 'wz' have been replaced by 1.819e-12
Warning in checkwz(wz, M = M, trace = trace, wzepsilon = control$wzepsilon) :
  2572 diagonal elements of the working weights variable 'wz' have been replaced by 1.819e-12
Warning in checkwz(wz, M = M, trace = trace, wzepsilon = control$wzepsilon) :
  2577 diagonal elements of the working weights variable 'wz' have been replaced by 1.819e-12
Warning in checkwz(wz, M = M, trace = trace, wzepsilon = control$wzepsilon) :
  2578 diagonal elements of the working weights variable 'wz' have been replaced by 1.819e-12
Warning in splines::bs(ftime, degree = 3L, knots = numeric(0), Boundary.knots = c(0.00172739988192916,  :
  some 'x' values beyond boundary knots may cause ill-conditioned bases
Warning in splines::bs(ftime, degree = 3L, knots = numeric(0), Boundary.knots = c(0.00172739988192916,  :
  some 'x' values beyond boundary knots may cause ill-conditioned bases
Warning in splines::bs(ftime, degree = 3L, knots = numeric(0), Boundary.knots = c(0.00172739988192916,  :
  some 'x' values beyond boundary knots may cause ill-conditioned bases
Warning in splines::bs(ftime, degree = 3L, knots = numeric(0), Boundary.knots = c(0.00172739988192916,  :
  some 'x' values beyond boundary knots may cause ill-conditioned bases
Warning in splines::bs(ftime, degree = 3L, knots = numeric(0), Boundary.knots = c(0.00172739988192916,  :
  some 'x' values beyond boundary knots may cause ill-conditioned bases
--- finished re-building ‘competingRisk.Rmd’

--- re-building ‘popTime.Rmd’ using rmarkdown
See example usage at http://sahirbhatnagar.com/casebase/
Quitting from lines 74-76 (popTime.Rmd) 
Error: processing vignette 'popTime.Rmd' failed with diagnostics:
VECTOR_ELT() can only be applied to a 'list', not a 'double'
--- failed re-building ‘popTime.Rmd’

--- re-building ‘smoothHazard.Rmd’ using rmarkdown
Quitting from lines 92-99 (smoothHazard.Rmd) 
Error: processing vignette 'smoothHazard.Rmd' failed with diagnostics:
VECTOR_ELT() can only be applied to a 'list', not a 'double'
--- failed re-building ‘smoothHazard.Rmd’

SUMMARY: processing the following files failed:
  ‘popTime.Rmd’ ‘smoothHazard.Rmd’

Error: Vignette re-building failed.
Execution halted