Error(s) in re-building vignettes:
  ...
--- re-building 'AccuracyStatistics.Rmd' using rmarkdown

   O      
  / \     
 F   O  
    / \   
   F   Trees 1.5.5

Nathaniel.D.Phillips.is@gmail.com
FFTrees.guide() opens the guide.
Setting goal = 'wacc'
Setting goal.chase = 'waccc'
Setting cost.outcomes = list(hi = 0, mi = 1, fa = 1, cr = 0)
Growing FFTs with ifan
Fitting other algorithms for comparison (disable with do.comp = FALSE) ...
--- finished re-building 'AccuracyStatistics.Rmd'

--- re-building 'FFTrees_examples.Rmd' using rmarkdown

   O      
  / \     
 F   O  
    / \   
   F   Trees 1.5.5

Nathaniel.D.Phillips.is@gmail.com
FFTrees.guide() opens the guide.
Splitting data into a 50% (N = 4,062) training and 50% (N = 4,062) test set
Setting goal = 'wacc'
Setting goal.chase = 'waccc'
Setting cost.outcomes = list(hi = 0, mi = 1, fa = 1, cr = 0)
Growing FFTs with ifan
Fitting other algorithms for comparison (disable with do.comp = FALSE) ...
Warning in predict.lm(object, newdata, se.fit, scale = 1, type = if (type ==  :
  prediction from a rank-deficient fit may be misleading
Splitting data into a 50% (N = 4,062) training and 50% (N = 4,062) test set
Setting goal = 'wacc'
Setting goal.chase = 'waccc'
Setting cost.outcomes = list(hi = 0, mi = 1, fa = 1, cr = 0)
Growing FFTs with ifan
Fitting other algorithms for comparison (disable with do.comp = FALSE) ...
Warning in predict.lm(object, newdata, se.fit, scale = 1, type = if (type ==  :
  prediction from a rank-deficient fit may be misleading
Setting goal = 'wacc'
Setting goal.chase = 'waccc'
Setting cost.outcomes = list(hi = 0, mi = 1, fa = 1, cr = 0)
Growing FFTs with ifan
Fitting other algorithms for comparison (disable with do.comp = FALSE) ...
--- finished re-building 'FFTrees_examples.Rmd'

--- re-building 'FFTrees_function.Rmd' using rmarkdown

   O      
  / \     
 F   O  
    / \   
   F   Trees 1.5.5

Nathaniel.D.Phillips.is@gmail.com
FFTrees.guide() opens the guide.
Setting goal = 'wacc'
Setting goal.chase = 'waccc'
Setting cost.outcomes = list(hi = 0, mi = 1, fa = 1, cr = 0)
Growing FFTs with ifan
Fitting other algorithms for comparison (disable with do.comp = FALSE) ...
Setting goal = 'wacc'
Setting goal.chase = 'waccc'
Setting cost.outcomes = list(hi = 0, mi = 1, fa = 1, cr = 0)
Fitting other algorithms for comparison (disable with do.comp = FALSE) ...
--- finished re-building 'FFTrees_function.Rmd'

--- re-building 'FFTrees_heart.Rmd' using rmarkdown

   O      
  / \     
 F   O  
    / \   
   F   Trees 1.5.5

Nathaniel.D.Phillips.is@gmail.com
FFTrees.guide() opens the guide.
Setting goal = 'wacc'
Setting goal.chase = 'waccc'
Setting cost.outcomes = list(hi = 0, mi = 1, fa = 1, cr = 0)
Growing FFTs with ifan
Fitting other algorithms for comparison (disable with do.comp = FALSE) ...
Setting goal = 'wacc'
Setting goal.chase = 'waccc'
Setting cost.outcomes = list(hi = 0, mi = 1, fa = 1, cr = 0)
Fitting other algorithms for comparison (disable with do.comp = FALSE) ...
pandoc-citeproc: Error in $: Incompatible API versions: encoded with [1,20] but attempted to decode with [1,17,5,4].
CallStack (from HasCallStack):
  error, called at ./Text/Pandoc/JSON.hs:111:48 in pandoc-types-1.17.5.4-5tHZ3B61A58JaKOMxwGQR4:Text.Pandoc.JSON
Error running filter /usr/bin/pandoc-citeproc:
Filter returned error status 1
Error: processing vignette 'FFTrees_heart.Rmd' failed with diagnostics:
pandoc document conversion failed with error 83
--- failed re-building 'FFTrees_heart.Rmd'

--- re-building 'FFTrees_mytree.Rmd' using rmarkdown

   O      
  / \     
 F   O  
    / \   
   F   Trees 1.5.5

Nathaniel.D.Phillips.is@gmail.com
FFTrees.guide() opens the guide.
Setting goal = 'wacc'
Setting goal.chase = 'waccc'
Setting cost.outcomes = list(hi = 0, mi = 1, fa = 1, cr = 0)
Fitting other algorithms for comparison (disable with do.comp = FALSE) ...
Setting goal = 'wacc'
Setting goal.chase = 'waccc'
Setting cost.outcomes = list(hi = 0, mi = 1, fa = 1, cr = 0)
Fitting other algorithms for comparison (disable with do.comp = FALSE) ...
--- finished re-building 'FFTrees_mytree.Rmd'

--- re-building 'FFTrees_plot.Rmd' using rmarkdown

   O      
  / \     
 F   O  
    / \   
   F   Trees 1.5.5

Nathaniel.D.Phillips.is@gmail.com
FFTrees.guide() opens the guide.
Setting goal = 'wacc'
Setting goal.chase = 'waccc'
Setting cost.outcomes = list(hi = 0, mi = 1, fa = 1, cr = 0)
Growing FFTs with ifan
Fitting other algorithms for comparison (disable with do.comp = FALSE) ...
Splitting data into a 50% (N = 1,101) training and 50% (N = 1,100) test set
Setting goal = 'wacc'
Setting goal.chase = 'waccc'
Setting cost.outcomes = list(hi = 0, mi = 1, fa = 1, cr = 0)
Growing FFTs with ifan
Fitting other algorithms for comparison (disable with do.comp = FALSE) ...
pandoc-citeproc: Error in $: Incompatible API versions: encoded with [1,20] but attempted to decode with [1,17,5,4].
CallStack (from HasCallStack):
  error, called at ./Text/Pandoc/JSON.hs:111:48 in pandoc-types-1.17.5.4-5tHZ3B61A58JaKOMxwGQR4:Text.Pandoc.JSON
Error running filter /usr/bin/pandoc-citeproc:
Filter returned error status 1
Error: processing vignette 'FFTrees_plot.Rmd' failed with diagnostics:
pandoc document conversion failed with error 83
--- failed re-building 'FFTrees_plot.Rmd'

--- re-building 'guide.Rmd' using rmarkdown

   O      
  / \     
 F   O  
    / \   
   F   Trees 1.5.5

Nathaniel.D.Phillips.is@gmail.com
FFTrees.guide() opens the guide.
Setting goal = 'wacc'
Setting goal.chase = 'waccc'
Setting cost.outcomes = list(hi = 0, mi = 1, fa = 1, cr = 0)
Growing FFTs with ifan
Fitting other algorithms for comparison (disable with do.comp = FALSE) ...
pandoc-citeproc: Error in $: Incompatible API versions: encoded with [1,20] but attempted to decode with [1,17,5,4].
CallStack (from HasCallStack):
  error, called at ./Text/Pandoc/JSON.hs:111:48 in pandoc-types-1.17.5.4-5tHZ3B61A58JaKOMxwGQR4:Text.Pandoc.JSON
Error running filter /usr/bin/pandoc-citeproc:
Filter returned error status 1
Error: processing vignette 'guide.Rmd' failed with diagnostics:
pandoc document conversion failed with error 83
--- failed re-building 'guide.Rmd'

SUMMARY: processing the following files failed:
  'FFTrees_heart.Rmd' 'FFTrees_plot.Rmd' 'guide.Rmd'

Error: Vignette re-building failed.
Execution halted