Error(s) in re-building vignettes:
--- re-building 'Titanic_example.Rmd' using rmarkdown
── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ──
✔ ggplot2 3.4.0      ✔ purrr   0.3.5 
✔ tibble  3.1.8      ✔ dplyr   1.0.10
✔ tidyr   1.2.1      ✔ stringr 1.4.1 
✔ readr   2.1.3      ✔ forcats 0.5.2 
── Conflicts ────────────────────────────────────────── tidyverse_conflicts() ──
✖ dplyr::filter() masks stats::filter()
✖ dplyr::lag()    masks stats::lag()
Loading required package: lattice

Attaching package: 'caret'

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

    lift

Loading required package: grid
Loading required package: mvtnorm
Loading required package: modeltools
Loading required package: stats4
Loading required package: strucchange
Loading required package: zoo

Attaching package: 'zoo'

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

    as.Date, as.Date.numeric

Loading required package: sandwich

Attaching package: 'strucchange'

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

    boundary

Loading required package: libcoin

Attaching package: 'partykit'

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

    cforest, ctree, ctree_control, edge_simple, mob, mob_control,
    node_barplot, node_bivplot, node_boxplot, node_inner, node_surv,
    node_terminal, varimp

Type 'citation("pROC")' for a citation.

Attaching package: 'pROC'

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

    cov, smooth, var


Attaching package: 'measures'

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

    MAE, RMSE


Attaching package: 'varImp'

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

    varImp


Attaching package: 'pdp'

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

    partial


Attaching package: 'vip'

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

    vi

Setting levels: control = No, case = Yes
Setting direction: controls < cases
Warning: Using `size` aesthetic for lines was deprecated in ggplot2 3.4.0.
ℹ Please use `linewidth` instead.
`summarise()` has grouped output by 'var'. You can override using the `.groups`
argument.
Warning: The `size` argument of `element_line()` is deprecated as of ggplot2 3.4.0.
ℹ Please use the `linewidth` argument instead.
Could not fetch http://nicolas.robette.free.fr/Docs/plot_inter3.png
HttpExceptionRequest Request {
  host                 = "nicolas.robette.free.fr"
  port                 = 80
  secure               = False
  requestHeaders       = []
  path                 = "/Docs/plot_inter3.png"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
}
 NoResponseDataReceived
Error: processing vignette 'Titanic_example.Rmd' failed with diagnostics:
pandoc document conversion failed with error 61
--- failed re-building 'Titanic_example.Rmd'

SUMMARY: processing the following file failed:
  'Titanic_example.Rmd'

Error: Vignette re-building failed.
Execution halted