Error(s) in re-building vignettes:
  ...
--- re-building ‘intro.Rmd’ using rmarkdown

Quitting from lines 98-102 [unnamed-chunk-7] (intro.Rmd)
Error: processing vignette 'intro.Rmd' failed with diagnostics:
there is no package called 'Rgraphviz'
--- failed re-building ‘intro.Rmd’

--- re-building ‘selected_features.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/zenplots.Rcheck/vign_test/zenplots/vignettes/selected_features_files/figure-html/unnamed-chunk-2-1.png
576x768 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 43726 bytes
Input file size = 44644 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 41670
  zc = 9  zm = 8  zs = 1  f = 0		IDAT size = 41365
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0		IDAT size = 41008
  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 = 3  f = 0		IDAT size = 41008

Output IDAT size = 41008 bytes (2718 bytes decrease)
Output file size = 41086 bytes (3558 bytes = 7.97% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/zenplots.Rcheck/vign_test/zenplots/vignettes/selected_features_files/figure-html/unnamed-chunk-3-1.png
576x768 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 10399 bytes
Input file size = 11269 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 9094
  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 = 9094

Output IDAT size = 9094 bytes (1305 bytes decrease)
Output file size = 9172 bytes (2097 bytes = 18.61% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/zenplots.Rcheck/vign_test/zenplots/vignettes/selected_features_files/figure-html/unnamed-chunk-7-1.png
768x1276 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 20322 bytes
Input file size = 21204 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 18364
  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 = 18364

Output IDAT size = 18364 bytes (1958 bytes decrease)
Output file size = 18442 bytes (2762 bytes = 13.03% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/zenplots.Rcheck/vign_test/zenplots/vignettes/selected_features_files/figure-html/unnamed-chunk-8-1.png
768x768 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 17673 bytes
Input file size = 18555 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 15985
  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 = 15985

Output IDAT size = 15985 bytes (1688 bytes decrease)
Output file size = 16063 bytes (2492 bytes = 13.43% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/zenplots.Rcheck/vign_test/zenplots/vignettes/selected_features_files/figure-html/unnamed-chunk-9-1.png
768x633 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 17300 bytes
Input file size = 18182 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 15548
  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 = 15548

Output IDAT size = 15548 bytes (1752 bytes decrease)
Output file size = 15626 bytes (2556 bytes = 14.06% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/zenplots.Rcheck/vign_test/zenplots/vignettes/selected_features_files/figure-html/unnamed-chunk-10-1.png
768x518 pixels, 8 bits/pixel, 255 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 12859 bytes
Input file size = 13726 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 11635
  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 = 11635

Output IDAT size = 11635 bytes (1224 bytes decrease)
Output file size = 11713 bytes (2013 bytes = 14.67% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/zenplots.Rcheck/vign_test/zenplots/vignettes/selected_features_files/figure-html/unnamed-chunk-11-1.png
576x960 pixels, 8 bits/pixel, 253 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 10034 bytes
Input file size = 10895 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 8677
  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 = 8677

Output IDAT size = 8677 bytes (1357 bytes decrease)
Output file size = 8755 bytes (2140 bytes = 19.64% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/zenplots.Rcheck/vign_test/zenplots/vignettes/selected_features_files/figure-html/unnamed-chunk-12-1.png
576x672 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 9332 bytes
Input file size = 10202 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 7750
  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 = 7750

Output IDAT size = 7750 bytes (1582 bytes decrease)
Output file size = 7828 bytes (2374 bytes = 23.27% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/zenplots.Rcheck/vign_test/zenplots/vignettes/selected_features_files/figure-html/unnamed-chunk-20-1.png
576x864 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 104172 bytes
Input file size = 105174 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 100235
  zc = 9  zm = 8  zs = 1  f = 0		IDAT size = 100150
  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 = 1  f = 0		IDAT size = 100150

Output IDAT size = 100150 bytes (4022 bytes decrease)
Output file size = 100228 bytes (4946 bytes = 4.70% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/zenplots.Rcheck/vign_test/zenplots/vignettes/selected_features_files/figure-html/unnamed-chunk-23-1.png
576x768 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 66445 bytes
Input file size = 67399 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 63860
  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 = 63860

Output IDAT size = 63860 bytes (2585 bytes decrease)
Output file size = 63938 bytes (3461 bytes = 5.14% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/zenplots.Rcheck/vign_test/zenplots/vignettes/selected_features_files/figure-html/unnamed-chunk-24-1.png
576x768 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 29362 bytes
Input file size = 30256 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 27518
  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 = 27518

Output IDAT size = 27518 bytes (1844 bytes decrease)
Output file size = 27596 bytes (2660 bytes = 8.79% decrease)


Quitting from lines 249-252 [unnamed-chunk-28] (selected_features.Rmd)
Error: processing vignette 'selected_features.Rmd' failed with diagnostics:
there is no package called 'Rgraphviz'
--- failed re-building ‘selected_features.Rmd’

SUMMARY: processing the following files failed:
  ‘intro.Rmd’ ‘selected_features.Rmd’

Error: Vignette re-building failed.
Execution halted