Package vignette with placeholder title 'Vignette Title':
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Package vignette with placeholder title ‘Vignette Title’:
  ‘how_to_use_crosshairs.Rmd’
Package vignette with placeholder title 'Vignette Title':
  'how_to_use_crosshairs.Rmd'
Package vignette with placeholder title ‘Vignette Title’:
  ‘how_to_use_crosshairs.Rmd’
Package vignette with placeholder title ‘Vignette Title’:
  ‘how_to_use_crosshairs.Rmd’
Package vignette with placeholder title 'Vignette Title':
  'how_to_use_crosshairs.Rmd'
Package vignette with placeholder title 'Vignette Title':
  'how_to_use_crosshairs.Rmd'

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Package vignette with placeholder title 'Vignette Title':
  'intro.Rmd'
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Package vignette with placeholder title ‘Vignette Title’:
  ‘intro.Rmd’
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
Package vignette with placeholder title 'Vignette Title':
  'intro.Rmd'
'LazyData' is specified without a 'data' directory
Package vignette with placeholder title ‘Vignette Title’:
  ‘intro.Rmd’
'LazyData' is specified without a 'data' directory
Package vignette with placeholder title ‘Vignette Title’:
  ‘intro.Rmd’
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
Package vignette with placeholder title 'Vignette Title':
  'intro.Rmd'
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
Package vignette with placeholder title 'Vignette Title':
  'intro.Rmd'

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Package vignette with placeholder title 'Vignette Title':
  'introduction-to-parcoords-.Rmd'
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Package vignette with placeholder title ‘Vignette Title’:
  ‘introduction-to-parcoords-.Rmd’
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Package vignette with placeholder title 'Vignette Title':
  'introduction-to-parcoords-.Rmd'
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Package vignette with placeholder title ‘Vignette Title’:
  ‘introduction-to-parcoords-.Rmd’
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Package vignette with placeholder title ‘Vignette Title’:
  ‘introduction-to-parcoords-.Rmd’
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
Package vignette with placeholder title 'Vignette Title':
  'introduction-to-parcoords-.Rmd'
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
Error(s) in re-building vignettes:
  ...
--- re-building ‘introduction-to-parcoords-.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Quitting from lines 27-30 (introduction-to-parcoords-.Rmd) 
Error: processing vignette 'introduction-to-parcoords-.Rmd' failed with diagnostics:
invalid 'path' argument
--- failed re-building ‘introduction-to-parcoords-.Rmd’

SUMMARY: processing the following file failed:
  ‘introduction-to-parcoords-.Rmd’

Error: Vignette re-building failed.
Execution halted
'LazyData' is specified without a 'data' directory
Package vignette with placeholder title 'Vignette Title':
  'introduction-to-parcoords-.Rmd'