Running examples in 'tidyfit-Ex.R' failed
The error most likely occurred in:

> ### Name: .fit.svm
> ### Title: Support vector regression or classification for 'tidyfit'
> ### Aliases: .fit.svm
> 
> ### ** Examples
> 
> # Load data
> data <- tidyfit::Factor_Industry_Returns
> data <- dplyr::filter(data, Industry == "HiTec")
> 
> # Stand-alone function
> fit <- m("svm", Return ~ `Mkt-RF` + HML + SMB, data, cost = 0.1)
> fit
# A tibble: 1 × 6
  estimator_fct `size (MB)` grid_id  model_object settings         errors       
  <chr>               <dbl> <chr>    <list>       <list>           <chr>        
1 e1071::svm              0 #0010000 <tidyFit>    <tibble [1 × 3]> object 'Mkt-…
> 
> # Within 'regress' function
> fit <- regress(data, Return ~ ., m("svm", cost = 0.1),
+                .mask = c("Date", "Industry"))
> coef(fit)
Error in `dplyr::mutate()`:
ℹ In argument: `coefs = purrr::map(.data$model_object, ~.$coef())`.
Caused by error in `purrr::map()`:
ℹ In index: 1.
Caused by error in `crossprod()`:
! "crossprod" is not a BUILTIN function
Backtrace:
     ▆
  1. ├─stats::coef(fit)
  2. ├─tidyfit:::coef.tidyfit.models(fit)
  3. │ └─... %>% tidyr::unnest("coefs")
  4. ├─tidyr::unnest(., "coefs")
  5. ├─dplyr::select(., -"model_object")
  6. ├─dplyr::mutate(., coefs = purrr::map(.data$model_object, ~.$coef()))
  7. ├─dplyr:::mutate.data.frame(., coefs = purrr::map(.data$model_object, ~.$coef()))
  8. │ └─dplyr:::mutate_cols(.data, dplyr_quosures(...), by)
  9. │   ├─base::withCallingHandlers(...)
 10. │   └─dplyr:::mutate_col(dots[[i]], data, mask, new_columns)
 11. │     └─mask$eval_all_mutate(quo)
 12. │       └─dplyr (local) eval()
 13. ├─purrr::map(.data$model_object, ~.$coef())
 14. │ └─purrr:::map_("list", .x, .f, ..., .progress = .progress)
 15. │   ├─purrr:::with_indexed_errors(...)
 16. │   │ └─base::withCallingHandlers(...)
 17. │   ├─purrr:::call_with_cleanup(...)
 18. │   └─tidyfit (local) .f(.x[[i]], ...)
 19. │     └─.$coef()
 20. │       ├─base::do.call(.coef, all_args)
 21. │       ├─tidyfit (local) `<fn>`(object = `<svm.frml>`, self = `<tidyFit>`)
 22. │       └─tidyfit:::.coef.svm(object = `<svm.frml>`, self = `<tidyFit>`)
 23. │         ├─stats::coef(object)
 24. │         └─e1071:::coef.svm(object)
 25. └─base::.handleSimpleError(...)
 26.   └─purrr (local) h(simpleError(msg, call))
 27.     └─cli::cli_abort(...)
 28.       └─rlang::abort(...)
Execution halted