Error(s) in re-building vignettes:
  ...
--- re-building ‘cusum.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/cusum.Rcheck/vign_test/cusum/vignettes/cusum_files/figure-html/unnamed-chunk-6-1.png
672x480 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 19445 bytes
Input file size = 19547 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 15484
  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 = 15484

Output IDAT size = 15484 bytes (3961 bytes decrease)
Output file size = 15562 bytes (3985 bytes = 20.39% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/cusum.Rcheck/vign_test/cusum/vignettes/cusum_files/figure-html/unnamed-chunk-7-1.png
672x480 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 42778 bytes
Input file size = 42916 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0
  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		IDAT size = 39297
  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 = 5		IDAT size = 39297

Output IDAT size = 39297 bytes (3481 bytes decrease)
Output file size = 39375 bytes (3541 bytes = 8.25% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/cusum.Rcheck/vign_test/cusum/vignettes/cusum_files/figure-html/unnamed-chunk-10-1.png
672x480 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 19039 bytes
Input file size = 19141 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 17706
  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		IDAT size = 17419
  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 = 5		IDAT size = 17419

Output IDAT size = 17419 bytes (1620 bytes decrease)
Output file size = 17497 bytes (1644 bytes = 8.59% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/cusum.Rcheck/vign_test/cusum/vignettes/cusum_files/figure-html/unnamed-chunk-11-1.png
672x480 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 16550 bytes
Input file size = 16652 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0
  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		IDAT size = 14621
  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 = 5		IDAT size = 14621

Output IDAT size = 14621 bytes (1929 bytes decrease)
Output file size = 14699 bytes (1953 bytes = 11.73% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/cusum.Rcheck/vign_test/cusum/vignettes/cusum_files/figure-html/unnamed-chunk-13-1.png
672x480 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 25986 bytes
Input file size = 26880 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 24666
  zc = 9  zm = 8  zs = 1  f = 0		IDAT size = 24354
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5		IDAT size = 19853
  zc = 9  zm = 8  zs = 1  f = 5		IDAT size = 19843
  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 = 5		IDAT size = 19843

Output IDAT size = 19843 bytes (6143 bytes decrease)
Output file size = 19921 bytes (6959 bytes = 25.89% decrease)

--- finished re-building ‘cusum.Rmd’

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

Quitting from lines 13-22 [setup] (gscusum.Rmd)
Error: processing vignette 'gscusum.Rmd' failed with diagnostics:
there is no package called 'ggplot2'
--- failed re-building ‘gscusum.Rmd’

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

Error: Vignette re-building failed.
Execution halted