Error(s) in re-building vignettes:
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--- re-building ‘Custom_predict_for_survival_models.Rmd’ using knitr
Loading required package: Hmisc
Loading required package: lattice
Loading required package: survival

Attaching package: 'survival'

The following object is masked _by_ '.GlobalEnv':

    pbc

Loading required package: Formula
Loading required package: ggplot2

Attaching package: 'Hmisc'

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

    format.pval, units

Loading required package: SparseM

Attaching package: 'SparseM'

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

    backsolve

Loading required package: prodlim
Welcome to survxai (version: 0.2.0).
Information about the package can be found in the GitHub repository: https://github.com/MI2DataLab/survxai
Quitting from lines 53-60 (Custom_predict_for_survival_models.Rmd) 
Error: processing vignette 'Custom_predict_for_survival_models.Rmd' failed with diagnostics:
object 'n' not found
--- failed re-building ‘Custom_predict_for_survival_models.Rmd’

--- re-building ‘Global_explanations.Rmd’ using knitr
Loading required package: Hmisc
Loading required package: lattice
Loading required package: survival

Attaching package: 'survival'

The following object is masked _by_ '.GlobalEnv':

    pbc

Loading required package: Formula
Loading required package: ggplot2

Attaching package: 'Hmisc'

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

    format.pval, units

Loading required package: SparseM

Attaching package: 'SparseM'

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

    backsolve

Loading required package: prodlim
Welcome to survxai (version: 0.2.0).
Information about the package can be found in the GitHub repository: https://github.com/MI2DataLab/survxai
Quitting from lines 54-63 (Global_explanations.Rmd) 
Error: processing vignette 'Global_explanations.Rmd' failed with diagnostics:
object 'n' not found
--- failed re-building ‘Global_explanations.Rmd’

--- re-building ‘How_to_compare_models_with_survxai.Rmd’ using knitr
Loading required package: Hmisc
Loading required package: lattice
Loading required package: survival

Attaching package: 'survival'

The following object is masked _by_ '.GlobalEnv':

    pbc

Loading required package: Formula
Loading required package: ggplot2

Attaching package: 'Hmisc'

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

    format.pval, units

Loading required package: SparseM

Attaching package: 'SparseM'

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

    backsolve

Quitting from lines 76-79 (How_to_compare_models_with_survxai.Rmd) 
Error: processing vignette 'How_to_compare_models_with_survxai.Rmd' failed with diagnostics:
object 'n' not found
--- failed re-building ‘How_to_compare_models_with_survxai.Rmd’

--- re-building ‘Local_explanations.Rmd’ using knitr
Loading required package: Hmisc
Loading required package: lattice
Loading required package: survival

Attaching package: 'survival'

The following object is masked _by_ '.GlobalEnv':

    pbc

Loading required package: Formula
Loading required package: ggplot2

Attaching package: 'Hmisc'

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

    format.pval, units

Loading required package: SparseM

Attaching package: 'SparseM'

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

    backsolve

Loading required package: prodlim
Welcome to survxai (version: 0.2.0).
Information about the package can be found in the GitHub repository: https://github.com/MI2DataLab/survxai
Quitting from lines 54-62 (Local_explanations.Rmd) 
Error: processing vignette 'Local_explanations.Rmd' failed with diagnostics:
object 'n' not found
--- failed re-building ‘Local_explanations.Rmd’

SUMMARY: processing the following files failed:
  ‘Custom_predict_for_survival_models.Rmd’ ‘Global_explanations.Rmd’
  ‘How_to_compare_models_with_survxai.Rmd’ ‘Local_explanations.Rmd’

Error: Vignette re-building failed.
Execution halted