Error(s) in re-building vignettes:
--- re-building ‘optimal_subgroup.Rmd’ using rmarkdown
** Processing: /data/gannet/ripley/R/packages/tests-devel/polle.Rcheck/vign_test/polle/vignettes/optimal_subgroup_files/figure-html/pa_plot-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 28948 bytes
Input file size = 29062 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 21564
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 21564

Output IDAT size = 21564 bytes (7384 bytes decrease)
Output file size = 21642 bytes (7420 bytes = 25.53% decrease)

** Processing: /data/gannet/ripley/R/packages/tests-devel/polle.Rcheck/vign_test/polle/vignettes/optimal_subgroup_files/figure-html/pa_plot_ptl-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 29063 bytes
Input file size = 29177 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 21689
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 21689

Output IDAT size = 21689 bytes (7374 bytes decrease)
Output file size = 21767 bytes (7410 bytes = 25.40% decrease)

--- finished re-building ‘optimal_subgroup.Rmd’

--- re-building ‘policy_data.Rmd’ using rmarkdown

Quitting from lines 40-41 [single stage data] (policy_data.Rmd)
Error: processing vignette 'policy_data.Rmd' failed with diagnostics:
cannot get data pointer of 'NULL' objects
--- failed re-building ‘policy_data.Rmd’

--- re-building ‘policy_eval.Rmd’ using rmarkdown
Warning in lazyLoadDBinsertValue(data, datafile, ascii, compress, envhook) :
  'package:SuperLearner' may not be available when loading
Warning in lazyLoadDBinsertVariable(vars[i], from, datafile, ascii, compress,  :
  'package:SuperLearner' may not be available when loading
Warning in lazyLoadDBinsertValue(data, datafile, ascii, compress, envhook) :
  'package:SuperLearner' may not be available when loading
--- finished re-building ‘policy_eval.Rmd’

--- re-building ‘policy_learn.Rmd’ using rmarkdown
--- finished re-building ‘policy_learn.Rmd’

SUMMARY: processing the following file failed:
  ‘policy_data.Rmd’

Error: Vignette re-building failed.
Execution halted