Error(s) in re-building vignettes:
  ...
--- re-building ‘A-introduction.Rmd’ using rmarkdown
[WARNING] Deprecated: --highlight-style. Use --syntax-highlighting instead.
--- finished re-building ‘A-introduction.Rmd’

--- re-building ‘B-relhaz.Rmd’ using rmarkdown

Quitting from B-relhaz.Rmd:159-185 [fitting-function]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `library()`:
! there is no package called 'rstpm2'
---
Backtrace:
    ▆
 1. └─base::library(rstpm2)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'B-relhaz.Rmd' failed with diagnostics:
there is no package called 'rstpm2'
--- failed re-building ‘B-relhaz.Rmd’

--- re-building ‘C-plotting.Rmd’ using rmarkdown

Quitting from C-plotting.Rmd:206-208 [plot-est-density]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
NULL
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'C-plotting.Rmd' failed with diagnostics:
Problem while computing stat.
ℹ Error occurred in the 1st layer.
Caused by error in `compute_layer()`:
! The package "MASS" is required for calculating 2D density.
--- failed re-building ‘C-plotting.Rmd’

--- re-building ‘D-nlp.Rmd’ using rmarkdown
[WARNING] Deprecated: --highlight-style. Use --syntax-highlighting instead.
--- finished re-building ‘D-nlp.Rmd’

--- re-building ‘E-custom-inputs.Rmd’ using rmarkdown
[WARNING] Deprecated: --highlight-style. Use --syntax-highlighting instead.
--- finished re-building ‘E-custom-inputs.Rmd’

--- re-building ‘F-rsimsumtidyverse.Rmd’ using rmarkdown
[WARNING] Deprecated: --highlight-style. Use --syntax-highlighting instead.
--- finished re-building ‘F-rsimsumtidyverse.Rmd’

SUMMARY: processing the following files failed:
  ‘B-relhaz.Rmd’ ‘C-plotting.Rmd’

Error: Vignette re-building failed.
Execution halted