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

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

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

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

--- re-building ‘confidence-intervals.Rmd’ using rmarkdown
--- finished re-building ‘confidence-intervals.Rmd’

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

--- re-building ‘messy-data.Rmd’ using rmarkdown

Quitting from messy-data.Rmd:55-58 [unnamed-chunk-2]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `loadNamespace()`:
! there is no package called 'car'
---
Backtrace:
    ▆
 1. └─base::loadNamespace(x)
 2.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
 3.     └─base (local) withOneRestart(expr, restarts[[1L]])
 4.       └─base (local) doWithOneRestart(return(expr), restart)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'messy-data.Rmd' failed with diagnostics:
there is no package called 'car'
--- failed re-building ‘messy-data.Rmd’

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

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

--- re-building ‘re-engineering-clds.rmd’ using rmarkdown
--- finished re-building ‘re-engineering-clds.rmd’

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

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

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

--- re-building ‘vignette-topics.Rmd’ using rmarkdown
--- finished re-building ‘vignette-topics.Rmd’

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

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

SUMMARY: processing the following file failed:
  ‘messy-data.Rmd’

Error: Vignette re-building failed.
Execution halted