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

--- re-building 'tidy_simulation.Rmd' using rmarkdown
Quitting from lines 439-459 (tidy_simulation.Rmd) 
Error: processing vignette 'tidy_simulation.Rmd' failed with diagnostics:
invalid 'size' argument
--- failed re-building 'tidy_simulation.Rmd'

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

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘simulation_arguments.Rmd’ using rmarkdown
--- finished re-building ‘simulation_arguments.Rmd’

--- re-building ‘tidy_simulation.Rmd’ using rmarkdown
Quitting from lines 439-459 (tidy_simulation.Rmd) 
Error: processing vignette ‘tidy_simulation.Rmd’ failed with diagnostics:
invalid ‘size’ argument
--- failed re-building ‘tidy_simulation.Rmd’

SUMMARY: processing the following file failed:
  ‘tidy_simulation.Rmd’

Error: Vignette re-building failed.
Execution halted
Namespace in Imports field not imported from: ‘Matrix’
  All declared Imports should be used.
Error(s) in re-building vignettes:
--- re-building ‘simulation_arguments.Rmd’ using rmarkdown
--- finished re-building ‘simulation_arguments.Rmd’

--- re-building ‘tidy_simulation.Rmd’ using rmarkdown
Quitting from lines 439-459 (tidy_simulation.Rmd) 
Error: processing vignette 'tidy_simulation.Rmd' failed with diagnostics:
invalid 'size' argument
--- failed re-building ‘tidy_simulation.Rmd’

SUMMARY: processing the following file failed:
  ‘tidy_simulation.Rmd’

Error: Vignette re-building failed.
Execution halted
Namespace in Imports field not imported from: ‘Matrix’
  All declared Imports should be used.
Error(s) in re-building vignettes:
--- re-building ‘simulation_arguments.Rmd’ using rmarkdown
--- finished re-building ‘simulation_arguments.Rmd’

--- re-building ‘tidy_simulation.Rmd’ using rmarkdown
Quitting from lines 439-459 (tidy_simulation.Rmd) 
Error: processing vignette 'tidy_simulation.Rmd' failed with diagnostics:
invalid 'size' argument
--- failed re-building ‘tidy_simulation.Rmd’

SUMMARY: processing the following file failed:
  ‘tidy_simulation.Rmd’

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building 'simulation_arguments.Rmd' using rmarkdown
--- finished re-building 'simulation_arguments.Rmd'

--- re-building 'tidy_simulation.Rmd' using rmarkdown
Quitting from lines 439-459 (tidy_simulation.Rmd) 
Error: processing vignette 'tidy_simulation.Rmd' failed with diagnostics:
invalid 'size' argument
--- failed re-building 'tidy_simulation.Rmd'

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

Error: Vignette re-building failed.
Execution halted
Namespace in Imports field not imported from: 'Matrix'
  All declared Imports should be used.
Error(s) in re-building vignettes:
--- re-building 'simulation_arguments.Rmd' using rmarkdown
--- finished re-building 'simulation_arguments.Rmd'

--- re-building 'tidy_simulation.Rmd' using rmarkdown
Quitting from lines 439-459 (tidy_simulation.Rmd) 
Error: processing vignette 'tidy_simulation.Rmd' failed with diagnostics:
invalid 'size' argument
--- failed re-building 'tidy_simulation.Rmd'

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

Error: Vignette re-building failed.
Execution halted
Namespace in Imports field not imported from: ‘Matrix’
  All declared Imports should be used.
Namespace in Imports field not imported from: ‘Matrix’
  All declared Imports should be used.
Namespace in Imports field not imported from: ‘Matrix’
  All declared Imports should be used.