Error(s) in re-building vignettes:
--- re-building 'Honda_2018_updated_armitage.Rmd' using rmarkdown
Error: processing vignette 'Honda_2018_updated_armitage.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'Honda_2018_updated_armitage.Rmd'

--- re-building 'Pearce_2017_partitioning_plots.Rmd' using rmarkdown
Error: processing vignette 'Pearce_2017_partitioning_plots.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'Pearce_2017_partitioning_plots.Rmd'

--- re-building 'Ring_2017_supplemental_vignette_age_dist.Rmd' using rmarkdown
Error: processing vignette 'Ring_2017_supplemental_vignette_age_dist.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'Ring_2017_supplemental_vignette_age_dist.Rmd'

--- re-building 'Ring_2017_supplemental_vignette_globalsensitivityanalysis.Rmd' using rmarkdown
Error: processing vignette 'Ring_2017_supplemental_vignette_globalsensitivityanalysis.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'Ring_2017_supplemental_vignette_globalsensitivityanalysis.Rmd'

--- re-building 'Ring_2017_supplemental_vignette_globalsensitivityplot.Rmd' using rmarkdown
Error: processing vignette 'Ring_2017_supplemental_vignette_globalsensitivityplot.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'Ring_2017_supplemental_vignette_globalsensitivityplot.Rmd'

--- re-building 'Ring_2017_supplemental_vignette_heightweight_splines_kde.Rmd' using rmarkdown
Error: processing vignette 'Ring_2017_supplemental_vignette_heightweight_splines_kde.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'Ring_2017_supplemental_vignette_heightweight_splines_kde.Rmd'

--- re-building 'Ring_2017_supplemental_vignette_hematocrit_splines.Rmd' using rmarkdown
Error: processing vignette 'Ring_2017_supplemental_vignette_hematocrit_splines.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'Ring_2017_supplemental_vignette_hematocrit_splines.Rmd'

--- re-building 'Ring_2017_supplemental_vignette_plot_css95.Rmd' using rmarkdown
Error: processing vignette 'Ring_2017_supplemental_vignette_plot_css95.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'Ring_2017_supplemental_vignette_plot_css95.Rmd'

--- re-building 'Ring_2017_supplemental_vignette_serumcreat_splines_kde.Rmd' using rmarkdown
Error: processing vignette 'Ring_2017_supplemental_vignette_serumcreat_splines_kde.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'Ring_2017_supplemental_vignette_serumcreat_splines_kde.Rmd'

--- re-building 'Ring_2017_vignette01_subpopulations.Rmd' using rmarkdown
Error: processing vignette 'Ring_2017_vignette01_subpopulations.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'Ring_2017_vignette01_subpopulations.Rmd'

--- re-building 'Ring_2017_vignette02_evalmodelsubpop.Rmd' using rmarkdown
Error: processing vignette 'Ring_2017_vignette02_evalmodelsubpop.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'Ring_2017_vignette02_evalmodelsubpop.Rmd'

--- re-building 'Ring_2017_vignette03_paper_fig2.Rmd' using rmarkdown
Error: processing vignette 'Ring_2017_vignette03_paper_fig2.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'Ring_2017_vignette03_paper_fig2.Rmd'

--- re-building 'Ring_2017_vignette04_paper_fig3.Rmd' using rmarkdown
Error: processing vignette 'Ring_2017_vignette04_paper_fig3.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'Ring_2017_vignette04_paper_fig3.Rmd'

--- re-building 'Ring_2017_vignette05b_plothowgatejohnson.Rmd' using rmarkdown
Error: processing vignette 'Ring_2017_vignette05b_plothowgatejohnson.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'Ring_2017_vignette05b_plothowgatejohnson.Rmd'

--- re-building 'Ring_2017_vignette06_aerplotting.Rmd' using rmarkdown
Error: processing vignette 'Ring_2017_vignette06_aerplotting.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'Ring_2017_vignette06_aerplotting.Rmd'

--- re-building 'Ring_2017_vignette_05a_virtualstudypops.Rmd' using rmarkdown
Error: processing vignette 'Ring_2017_vignette_05a_virtualstudypops.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'Ring_2017_vignette_05a_virtualstudypops.Rmd'

--- re-building 'Wambaugh_2018_Figures.Rmd' using rmarkdown
Error: processing vignette 'Wambaugh_2018_Figures.Rmd' failed with diagnostics:
DLL 'Rcpp' not found: maybe not installed for this architecture?
--- failed re-building 'Wambaugh_2018_Figures.Rmd'

SUMMARY: processing the following files failed:
  'Honda_2018_updated_armitage.Rmd'
  'Pearce_2017_partitioning_plots.Rmd'
  'Ring_2017_supplemental_vignette_age_dist.Rmd'
  'Ring_2017_supplemental_vignette_globalsensitivityanalysis.Rmd'
  'Ring_2017_supplemental_vignette_globalsensitivityplot.Rmd'
  'Ring_2017_supplemental_vignette_heightweight_splines_kde.Rmd'
  'Ring_2017_supplemental_vignette_hematocrit_splines.Rmd'
  'Ring_2017_supplemental_vignette_plot_css95.Rmd'
  'Ring_2017_supplemental_vignette_serumcreat_splines_kde.Rmd'
  'Ring_2017_vignette01_subpopulations.Rmd'
  'Ring_2017_vignette02_evalmodelsubpop.Rmd'
  'Ring_2017_vignette03_paper_fig2.Rmd'
  'Ring_2017_vignette04_paper_fig3.Rmd'
  'Ring_2017_vignette05b_plothowgatejohnson.Rmd'
  'Ring_2017_vignette06_aerplotting.Rmd'
  'Ring_2017_vignette_05a_virtualstudypops.Rmd'
  'Wambaugh_2018_Figures.Rmd'

Error: Vignette re-building failed.
Execution halted