Package: mixgb 1.5.3
Check: re-building of vignette outputs, Result: ERROR
  Error(s) in re-building vignettes:
  --- re-building ‘Imputing-newdata.Rmd’ using rmarkdown
  --- finished re-building ‘Imputing-newdata.Rmd’
  
  --- re-building ‘Using-mixgb.Rmd’ using rmarkdown
  
  Quitting from Using-mixgb.Rmd:114-120 [unnamed-chunk-5]
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  <error/rlang_error>
  Error in `xgb.cv()`:
  ! inherits(data, "xgb.DMatrix") is not TRUE
  ---
  Backtrace:
      ▆
   1. └─mixgb::mixgb_cv(...)
   2.   └─xgboost::xgb.cv(...)
   3.     └─base::stopifnot(inherits(data, "xgb.DMatrix"))
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
  Error: processing vignette 'Using-mixgb.Rmd' failed with diagnostics:
  inherits(data, "xgb.DMatrix") is not TRUE
  --- failed re-building ‘Using-mixgb.Rmd’
  
  SUMMARY: processing the following file failed:
    ‘Using-mixgb.Rmd’
  
  Error: Vignette re-building failed.
  Execution halted
