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

Quitting from lines 33-35 [pack] (QC.Rmd)
Error: processing vignette 'QC.Rmd' failed with diagnostics:
there is no package called 'ggplot2'
--- failed re-building ‘QC.Rmd’

--- re-building ‘ana-methods.Rmd’ using rmarkdown

Quitting from lines 27-29 [pack] (ana-methods.Rmd)
Error: processing vignette 'ana-methods.Rmd' failed with diagnostics:
there is no package called 'ggplot2'
--- failed re-building ‘ana-methods.Rmd’

--- re-building ‘clustering.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/celltrackR.Rcheck/vign_test/celltrackR/vignettes/clustering_files/figure-html/plotFM-1.png
384x288 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 9292 bytes
Input file size = 10162 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 8594
  zc = 9  zm = 8  zs = 1  f = 0		IDAT size = 8541
  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 = 8541

Output IDAT size = 8541 bytes (751 bytes decrease)
Output file size = 8619 bytes (1543 bytes = 15.18% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/celltrackR.Rcheck/vign_test/celltrackR/vignettes/clustering_files/figure-html/pca-1.png
432x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 17788 bytes
Input file size = 17890 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 14793
  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 = 14793

Output IDAT size = 14793 bytes (2995 bytes decrease)
Output file size = 14871 bytes (3019 bytes = 16.88% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/celltrackR.Rcheck/vign_test/celltrackR/vignettes/clustering_files/figure-html/mds-1.png
432x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 17657 bytes
Input file size = 17759 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 14498
  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 = 14498

Output IDAT size = 14498 bytes (3159 bytes decrease)
Output file size = 14576 bytes (3183 bytes = 17.92% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/celltrackR.Rcheck/vign_test/celltrackR/vignettes/clustering_files/figure-html/umap-1.png
432x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 20802 bytes
Input file size = 20904 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 16580
  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 = 16580

Output IDAT size = 16580 bytes (4222 bytes decrease)
Output file size = 16658 bytes (4246 bytes = 20.31% decrease)


Quitting from lines 187-190 [hclus] (clustering.Rmd)
Error: processing vignette 'clustering.Rmd' failed with diagnostics:
clusterTracks: please install the 'dendextend' package to use this functionality!
--- failed re-building ‘clustering.Rmd’

--- re-building ‘data-QC.Rmd’ using rmarkdown

Quitting from lines 26-28 [pack] (data-QC.Rmd)
Error: processing vignette 'data-QC.Rmd' failed with diagnostics:
there is no package called 'ggplot2'
--- failed re-building ‘data-QC.Rmd’

--- re-building ‘reading-converting-data.Rmd’ using rmarkdown

Quitting from lines 25-27 [pack] (reading-converting-data.Rmd)
Error: processing vignette 'reading-converting-data.Rmd' failed with diagnostics:
there is no package called 'ggplot2'
--- failed re-building ‘reading-converting-data.Rmd’

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

Quitting from lines 30-32 [pack] (simulation.Rmd)
Error: processing vignette 'simulation.Rmd' failed with diagnostics:
there is no package called 'ggplot2'
--- failed re-building ‘simulation.Rmd’

SUMMARY: processing the following files failed:
  ‘QC.Rmd’ ‘ana-methods.Rmd’ ‘clustering.Rmd’ ‘data-QC.Rmd’
  ‘reading-converting-data.Rmd’ ‘simulation.Rmd’

Error: Vignette re-building failed.
Execution halted