Error(s) in re-building vignettes:
--- re-building ‘Life_Data_Analysis_Part_I.Rmd’ using rmarkdown
── Attaching packages ─────────────────────────────────────── tidyverse 1.3.0 ──
✔ ggplot2 3.3.0     ✔ purrr   0.3.3
✔ tibble  2.1.3     ✔ dplyr   0.8.5
✔ tidyr   1.0.2     ✔ stringr 1.4.0
✔ readr   1.3.1     ✔ forcats 0.5.0
── Conflicts ────────────────────────────────────────── tidyverse_conflicts() ──
✖ dplyr::filter() masks stats::filter()
✖ dplyr::lag()    masks stats::lag()
Loading required package: survival
Loading required package: nlme

Attaching package: 'nlme'

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

    collapse


Attaching package: 'plotly'

The following object is masked from 'package:ggplot2':

    last_plot

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

    filter

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

    layout

dyld: lazy symbol binding failed: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

dyld: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

Error: processing vignette 'Life_Data_Analysis_Part_I.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘Life_Data_Analysis_Part_I.Rmd’

--- re-building ‘Life_Data_Analysis_Part_II.Rmd’ using rmarkdown
Loading required package: survival
Loading required package: nlme
Loading required package: ggplot2

Attaching package: 'plotly'

The following object is masked from 'package:ggplot2':

    last_plot

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

    filter

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

    layout

dyld: lazy symbol binding failed: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

dyld: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

Error: processing vignette 'Life_Data_Analysis_Part_II.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘Life_Data_Analysis_Part_II.Rmd’

--- re-building ‘Life_Data_Analysis_Part_III.Rmd’ using rmarkdown
dyld: lazy symbol binding failed: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

dyld: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

Error: processing vignette 'Life_Data_Analysis_Part_III.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘Life_Data_Analysis_Part_III.Rmd’

SUMMARY: processing the following files failed:
  ‘Life_Data_Analysis_Part_I.Rmd’ ‘Life_Data_Analysis_Part_II.Rmd’
  ‘Life_Data_Analysis_Part_III.Rmd’

Error: Vignette re-building failed.
Execution halted