Error(s) in re-building vignettes:
--- re-building 'HCP_analysis.Rmd' using rmarkdown
--- finished re-building 'HCP_analysis.Rmd'

--- re-building 'ML_and_Inference.Rmd' using rmarkdown
Loading required namespace: TDAstats
Loading required namespace: TDA
Failed with error:  'there is no package called 'TDA''
Loading required namespace: igraph
--- re-building 'Speed.Rmd' using rmarkdown
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  zero-length arrow is of indeterminate angle and so skipped
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  zero-length arrow is of indeterminate angle and so skipped
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  zero-length arrow is of indeterminate angle and so skipped
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  zero-length arrow is of indeterminate angle and so skipped
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  zero-length arrow is of indeterminate angle and so skipped
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  zero-length arrow is of indeterminate angle and so skipped
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  zero-length arrow is of indeterminate angle and so skipped
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  zero-length arrow is of indeterminate angle and so skipped
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  zero-length arrow is of indeterminate angle and so skipped
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  zero-length arrow is of indeterminate angle and so skipped
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  zero-length arrow is of indeterminate angle and so skipped
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  zero-length arrow is of indeterminate angle and so skipped
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  zero-length arrow is of indeterminate angle and so skipped
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  zero-length arrow is of indeterminate angle and so skipped
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  zero-length arrow is of indeterminate angle and so skipped
--- finished re-building 'Speed.Rmd'

--- re-building 'comparing_calcs.Rmd' using rmarkdown
--- finished re-building 'comparing_calcs.Rmd'

--- re-building 'personalized_analyses.Rmd' using rmarkdown
--- finished re-building 'personalized_analyses.Rmd'

SUMMARY: processing the following file failed:
  'ML_and_Inference.Rmd'

Error: Vignette re-building failed.
Execution halted