Error(s) in re-building vignettes:
  ...
--- re-building ‘a01_Introduction_to_IncidencePrevalence.Rmd’ using rmarkdown

Quitting from a01_Introduction_to_IncidencePrevalence.Rmd:42-47 [unnamed-chunk-3]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlib_error_package_not_found>
Error in `mockIncidencePrevalence()`:
! The package "duckdb" is required.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'a01_Introduction_to_IncidencePrevalence.Rmd' failed with diagnostics:
The package "duckdb" is required.
--- failed re-building ‘a01_Introduction_to_IncidencePrevalence.Rmd’

--- re-building ‘a02_Creating_denominator_populations.Rmd’ using rmarkdown

Quitting from a02_Creating_denominator_populations.Rmd:82-84 [unnamed-chunk-7]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlib_error_package_not_found>
Error in `mockIncidencePrevalence()`:
! The package "duckdb" is required.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'a02_Creating_denominator_populations.Rmd' failed with diagnostics:
The package "duckdb" is required.
--- failed re-building ‘a02_Creating_denominator_populations.Rmd’

--- re-building ‘a03_Creating_target_denominator_populations.Rmd’ using rmarkdown

Quitting from a03_Creating_target_denominator_populations.Rmd:33-85 [unnamed-chunk-2]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlib_error_package_not_found>
Error in `mockIncidencePrevalence()`:
! The package "duckdb" is required.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'a03_Creating_target_denominator_populations.Rmd' failed with diagnostics:
The package "duckdb" is required.
--- failed re-building ‘a03_Creating_target_denominator_populations.Rmd’

--- re-building ‘a04_Calculating_prevalence.Rmd’ using rmarkdown

Quitting from a04_Calculating_prevalence.Rmd:47-71 [unnamed-chunk-5]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlib_error_package_not_found>
Error in `mockIncidencePrevalence()`:
! The package "duckdb" is required.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'a04_Calculating_prevalence.Rmd' failed with diagnostics:
The package "duckdb" is required.
--- failed re-building ‘a04_Calculating_prevalence.Rmd’

--- re-building ‘a05_Calculating_incidence.Rmd’ using rmarkdown

Quitting from a05_Calculating_incidence.Rmd:76-100 [setup]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlib_error_package_not_found>
Error in `mockIncidencePrevalence()`:
! The package "duckdb" is required.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'a05_Calculating_incidence.Rmd' failed with diagnostics:
The package "duckdb" is required.
--- failed re-building ‘a05_Calculating_incidence.Rmd’

--- re-building ‘a06_Working_with_IncidencePrevalence_Results.Rmd’ using rmarkdown

Quitting from a06_Working_with_IncidencePrevalence_Results.Rmd:30-70 [unnamed-chunk-2]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlib_error_package_not_found>
Error in `mockIncidencePrevalence()`:
! The package "duckdb" is required.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'a06_Working_with_IncidencePrevalence_Results.Rmd' failed with diagnostics:
The package "duckdb" is required.
--- failed re-building ‘a06_Working_with_IncidencePrevalence_Results.Rmd’

--- re-building ‘a07_benchmark.Rmd’ using rmarkdown
--- finished re-building ‘a07_benchmark.Rmd’

SUMMARY: processing the following files failed:
  ‘a01_Introduction_to_IncidencePrevalence.Rmd’
  ‘a02_Creating_denominator_populations.Rmd’
  ‘a03_Creating_target_denominator_populations.Rmd’
  ‘a04_Calculating_prevalence.Rmd’ ‘a05_Calculating_incidence.Rmd’
  ‘a06_Working_with_IncidencePrevalence_Results.Rmd’

Error: Vignette re-building failed.
Execution halted