Error(s) in re-building vignettes:
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--- re-building ‘scrape-nyt.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Loading required package: xml2

Attaching package: 'dplyr'

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

    filter, lag

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

    intersect, setdiff, setequal, union


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Quitting from lines 145-156 (scrape-nyt.Rmd) 
Error: processing vignette 'scrape-nyt.Rmd' failed with diagnostics:
there is no package called 'textdata'
--- failed re-building ‘scrape-nyt.Rmd’

--- re-building ‘usage-newsanchor.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
--- finished re-building ‘usage-newsanchor.Rmd’

SUMMARY: processing the following file failed:
  ‘scrape-nyt.Rmd’

Error: Vignette re-building failed.
Execution halted