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

Quitting from moderndive.Rmd:167-169 [unnamed-chunk-8]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `ll()`:
! could not find function "ll"
---
Backtrace:
     ▆
  1. ├─moderndive::get_regression_summaries(score_model)
  2. │ └─... %>% ...
  3. ├─dplyr::select(., r_squared, adj_r_squared, mse, rmse, everything())
  4. ├─dplyr::bind_cols(., mse_and_rmse)
  5. │ └─rlang::list2(...)
  6. ├─janitor::clean_names(.)
  7. ├─tibble::as_tibble(.)
  8. ├─dplyr::select(., -c(AIC, BIC, deviance, df.residual, logLik))
  9. ├─dplyr::mutate_if(., is.numeric, round, digits = digits)
 10. │ └─dplyr:::check_grouped(.tbl, "mutate", "if")
 11. │   └─dplyr::is_grouped_df(tbl)
 12. ├─generics::glance(.)
 13. ├─broom:::glance.lm(.)
 14. │ ├─base::with(...)
 15. │ └─base::with.default(...)
 16. │   └─base::eval(substitute(expr), data, enclos = parent.frame())
 17. │     └─base::eval(substitute(expr), data, enclos = parent.frame())
 18. │       └─tibble::tibble(...)
 19. │         └─tibble:::tibble_quos(xs, .rows, .name_repair)
 20. │           └─rlang::eval_tidy(xs[[j]], mask)
 21. ├─stats::AIC(x)
 22. └─stats:::AIC.default(x)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'moderndive.Rmd' failed with diagnostics:
could not find function "ll"
--- failed re-building ‘moderndive.Rmd’

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

Quitting from paper.Rmd:159-161 [unnamed-chunk-8]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `ll()`:
! could not find function "ll"
---
Backtrace:
     ▆
  1. ├─moderndive::get_regression_summaries(score_model)
  2. │ └─... %>% ...
  3. ├─dplyr::select(., r_squared, adj_r_squared, mse, rmse, everything())
  4. ├─dplyr::bind_cols(., mse_and_rmse)
  5. │ └─rlang::list2(...)
  6. ├─janitor::clean_names(.)
  7. ├─tibble::as_tibble(.)
  8. ├─dplyr::select(., -c(AIC, BIC, deviance, df.residual, logLik))
  9. ├─dplyr::mutate_if(., is.numeric, round, digits = digits)
 10. │ └─dplyr:::check_grouped(.tbl, "mutate", "if")
 11. │   └─dplyr::is_grouped_df(tbl)
 12. ├─generics::glance(.)
 13. ├─broom:::glance.lm(.)
 14. │ ├─base::with(...)
 15. │ └─base::with.default(...)
 16. │   └─base::eval(substitute(expr), data, enclos = parent.frame())
 17. │     └─base::eval(substitute(expr), data, enclos = parent.frame())
 18. │       └─tibble::tibble(...)
 19. │         └─tibble:::tibble_quos(xs, .rows, .name_repair)
 20. │           └─rlang::eval_tidy(xs[[j]], mask)
 21. ├─stats::AIC(x)
 22. └─stats:::AIC.default(x)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'paper.Rmd' failed with diagnostics:
could not find function "ll"
--- failed re-building ‘paper.Rmd’

SUMMARY: processing the following files failed:
  ‘moderndive.Rmd’ ‘paper.Rmd’

Error: Vignette re-building failed.
Execution halted