Error(s) in re-building vignettes:
  ...
--- re-building ‘feature_correction.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/PVplr.Rcheck/vign_test/PVplr/vignettes/feature_correction_files/figure-html/unnamed-chunk-5-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 20511 bytes
Input file size = 20613 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 14667
  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 = 14667

Output IDAT size = 14667 bytes (5844 bytes decrease)
Output file size = 14745 bytes (5868 bytes = 28.47% decrease)

** Processing: /home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/PVplr.Rcheck/vign_test/PVplr/vignettes/feature_correction_files/figure-html/unnamed-chunk-5-2.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 15936 bytes
Input file size = 16026 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 11235
  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 = 11235

Output IDAT size = 11235 bytes (4701 bytes decrease)
Output file size = 11313 bytes (4713 bytes = 29.41% decrease)

** Processing: /home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/PVplr.Rcheck/vign_test/PVplr/vignettes/feature_correction_files/figure-html/unnamed-chunk-5-3.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 19699 bytes
Input file size = 19801 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 14832
  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 = 14832

Output IDAT size = 14832 bytes (4867 bytes decrease)
Output file size = 14910 bytes (4891 bytes = 24.70% decrease)

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

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

--- re-building ‘nonlinear_plr.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/PVplr.Rcheck/vign_test/PVplr/vignettes/nonlinear_plr_files/figure-html/unnamed-chunk-2-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 24961 bytes
Input file size = 25075 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 20210
  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 = 20210

Output IDAT size = 20210 bytes (4751 bytes decrease)
Output file size = 20288 bytes (4787 bytes = 19.09% decrease)

** Processing: /home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/PVplr.Rcheck/vign_test/PVplr/vignettes/nonlinear_plr_files/figure-html/unnamed-chunk-4-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 18853 bytes
Input file size = 18955 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 13761
  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 = 13761

Output IDAT size = 13761 bytes (5092 bytes decrease)
Output file size = 13839 bytes (5116 bytes = 26.99% decrease)

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

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

Quitting from lines 204-207 [unnamed-chunk-12] (pipeline_walkthrough.Rmd)
Error: processing vignette 'pipeline_walkthrough.Rmd' failed with diagnostics:
$ operator is invalid for atomic vectors
--- failed re-building ‘pipeline_walkthrough.Rmd’

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

Error: Vignette re-building failed.
Execution halted