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

--- re-building ‘contrasts.Rmd’ using rmarkdown
Warning: The `cyl` variable is treated as a categorical (factor) variable, but the original data is of class numeric. It is safer and faster to convert such variables to factor before fitting the model and calling `marginaleffects` functions. This warning appears once per session.
--- finished re-building ‘contrasts.Rmd’

--- re-building ‘marginalmeans.Rmd’ using rmarkdown
Quitting from lines 11-21 (marginalmeans.Rmd) 
Error: processing vignette ‘marginalmeans.Rmd’ failed with diagnostics:
there is no package called 'tidyverse'
--- failed re-building ‘marginalmeans.Rmd’

--- re-building ‘mfx.Rmd’ using rmarkdown
Warning: Removed 272 row(s) containing missing values (geom_path).
Warning: Removed 272 row(s) containing missing values (geom_path).

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Quitting from lines 208-217 (mfx.Rmd) 
Error: processing vignette ‘mfx.Rmd’ failed with diagnostics:
there is no package called 'tidyverse'
--- failed re-building ‘mfx.Rmd’

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

Attaching package: 'kableExtra'

The following object is masked from 'package:dplyr':

    group_rows

Quitting from lines 63-72 (predictions.Rmd) 
Error: processing vignette ‘predictions.Rmd’ failed with diagnostics:
there is no package called 'tidyverse'
--- failed re-building ‘predictions.Rmd’

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

Attaching package: 'data.table'

The following objects are masked from 'package:dplyr':

    between, first, last

--- finished re-building ‘supported_models.Rmd’

SUMMARY: processing the following files failed:
  ‘marginalmeans.Rmd’ ‘mfx.Rmd’ ‘predictions.Rmd’

Error: Vignette re-building failed.
Execution halted