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

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

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

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

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

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

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

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

SUMMARY: processing the following files failed:
  'Custom_Models.Rmd' 'Dynamic_Predictions.Rmd'
  'GLMMadaptive_basics.Rmd' 'Goodness_of_Fit.Rmd' 'Methods_MixMod.Rmd'
  'Multiple_Comparisons.Rmd' 'Optimization.Rmd'
  'ZeroInflated_and_TwoPart_Models.Rmd'

Error: Vignette re-building failed.
Execution halted