Error(s) in re-building vignettes:
--- re-building 'MultiClassVtreat.Rmd' using rmarkdown
Error: processing vignette 'MultiClassVtreat.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'MultiClassVtreat.Rmd'

--- re-building 'SavingTreamentPlans.Rmd' using rmarkdown
Error: processing vignette 'SavingTreamentPlans.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'SavingTreamentPlans.Rmd'

--- re-building 'VariableImportance.Rmd' using rmarkdown
Error: processing vignette 'VariableImportance.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'VariableImportance.Rmd'

--- re-building 'vtreat.Rmd' using rmarkdown
Error: processing vignette 'vtreat.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'vtreat.Rmd'

--- re-building 'vtreatCrossFrames.Rmd' using rmarkdown
Error: processing vignette 'vtreatCrossFrames.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'vtreatCrossFrames.Rmd'

--- re-building 'vtreatGrouping.Rmd' using rmarkdown
Error: processing vignette 'vtreatGrouping.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'vtreatGrouping.Rmd'

--- re-building 'vtreatOverfit.Rmd' using rmarkdown
Error: processing vignette 'vtreatOverfit.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'vtreatOverfit.Rmd'

--- re-building 'vtreatRareLevels.Rmd' using rmarkdown
Error: processing vignette 'vtreatRareLevels.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'vtreatRareLevels.Rmd'

--- re-building 'vtreatScaleMode.Rmd' using rmarkdown
Error: processing vignette 'vtreatScaleMode.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'vtreatScaleMode.Rmd'

--- re-building 'vtreatSignificance.Rmd' using rmarkdown
Error: processing vignette 'vtreatSignificance.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'vtreatSignificance.Rmd'

--- re-building 'vtreatSplitting.Rmd' using rmarkdown
Error: processing vignette 'vtreatSplitting.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'vtreatSplitting.Rmd'

--- re-building 'vtreatVariableTypes.Rmd' using rmarkdown
Error: processing vignette 'vtreatVariableTypes.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'vtreatVariableTypes.Rmd'

--- re-building 'vtreat_article.pdf.asis' using asis
--- finished re-building 'vtreat_article.pdf.asis'

SUMMARY: processing the following files failed:
  'MultiClassVtreat.Rmd' 'SavingTreamentPlans.Rmd'
  'VariableImportance.Rmd' 'vtreat.Rmd' 'vtreatCrossFrames.Rmd'
  'vtreatGrouping.Rmd' 'vtreatOverfit.Rmd' 'vtreatRareLevels.Rmd'
  'vtreatScaleMode.Rmd' 'vtreatSignificance.Rmd' 'vtreatSplitting.Rmd'
  'vtreatVariableTypes.Rmd'

Error: Vignette re-building failed.
Execution halted