Error(s) in re-building vignettes:
  ...
--- re-building ‘classification.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Quitting from lines 23-33 (classification.Rmd) 
Error: processing vignette 'classification.Rmd' failed with diagnostics:
package or namespace load failed for 'tidymodels' in loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]]):
 there is no package called 'digest'
--- failed re-building ‘classification.Rmd’

--- re-building ‘clustering.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
── Attaching packages ─────────────────────────────────────── tidyverse 1.3.0 ──
✔ ggplot2 3.3.2     ✔ purrr   0.3.4
✔ tibble  3.0.4     ✔ dplyr   1.0.2
✔ tidyr   1.1.2     ✔ stringr 1.4.0
✔ readr   1.4.0     ✔ forcats 0.5.0
── Conflicts ────────────────────────────────────────── tidyverse_conflicts() ──
✖ dplyr::filter() masks stats::filter()
✖ dplyr::lag()    masks stats::lag()
Loading required package: lattice

Attaching package: 'caret'

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

    lift

Quitting from lines 24-29 (clustering.Rmd) 
Error: processing vignette 'clustering.Rmd' failed with diagnostics:
package or namespace load failed for 'tidymodels' in loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]]):
 there is no package called 'digest'
--- failed re-building ‘clustering.Rmd’

--- re-building ‘fit.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Quitting from lines 27-37 (fit.Rmd) 
Error: processing vignette 'fit.Rmd' failed with diagnostics:
package or namespace load failed for 'tidymodels' in loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]]):
 there is no package called 'digest'
--- failed re-building ‘fit.Rmd’

--- re-building ‘introduction.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
--- finished re-building ‘introduction.Rmd’

--- re-building ‘models.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
--- finished re-building ‘models.Rmd’

--- re-building ‘regression.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Quitting from lines 20-29 (regression.Rmd) 
Error: processing vignette 'regression.Rmd' failed with diagnostics:
package or namespace load failed for 'tidymodels' in loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]]):
 there is no package called 'digest'
--- failed re-building ‘regression.Rmd’

SUMMARY: processing the following files failed:
  ‘classification.Rmd’ ‘clustering.Rmd’ ‘fit.Rmd’ ‘regression.Rmd’

Error: Vignette re-building failed.
Execution halted