Error(s) in re-building vignettes:
  ...
--- re-building ‘copula.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/univariateML.Rcheck/vign_test/univariateML/vignettes/copula_files/figure-html/make_data-1.png
576x480 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 6902 bytes
Input file size = 7760 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 6030
  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 = 6030

Output IDAT size = 6030 bytes (872 bytes decrease)
Output file size = 6108 bytes (1652 bytes = 21.29% decrease)


Quitting from lines 84-99 [AIC_copula] (copula.Rmd)
Error: processing vignette 'copula.Rmd' failed with diagnostics:
there is no package called 'copula'
--- failed re-building ‘copula.Rmd’

--- re-building ‘distributions.Rmd’ using knitr
** Processing: figure/lomax-1.png
432x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 15286 bytes
Input file size = 15376 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 12760
  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 = 12760

Output IDAT size = 12760 bytes (2526 bytes decrease)
Output file size = 12838 bytes (2538 bytes = 16.51% decrease)

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

--- re-building ‘overview.Rmd’ using knitr
** Processing: figure/egypt-1.png
432x360 pixels, 8 bits/pixel, 254 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 4691 bytes
Input file size = 5543 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 4022
  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 = 4022

Output IDAT size = 4022 bytes (669 bytes decrease)
Output file size = 4100 bytes (1443 bytes = 26.03% decrease)

** Processing: figure/qqplots-1.png
432x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 25389 bytes
Input file size = 25503 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 21267
  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 = 21267

Output IDAT size = 21267 bytes (4122 bytes decrease)
Output file size = 21345 bytes (4158 bytes = 16.30% decrease)

** Processing: figure/plot_example-1.png
432x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 19059 bytes
Input file size = 19161 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 15954
  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 = 15954

Output IDAT size = 15954 bytes (3105 bytes decrease)
Output file size = 16032 bytes (3129 bytes = 16.33% decrease)

** Processing: figure/bootstrap_example_histogram-1.png
432x360 pixels, 8 bits/pixel, 255 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 4684 bytes
Input file size = 5539 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 4079
  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 = 4079

Output IDAT size = 4079 bytes (605 bytes decrease)
Output file size = 4157 bytes (1382 bytes = 24.95% decrease)

** Processing: figure/cumulative probability-1.png
432x360 pixels, 8 bits/pixel, 255 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 6365 bytes
Input file size = 7220 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 5526
  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 = 5526

Output IDAT size = 5526 bytes (839 bytes decrease)
Output file size = 5604 bytes (1616 bytes = 22.38% decrease)

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

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

Error: Vignette re-building failed.
Execution halted