Error(s) in re-building vignettes:
  ...
--- re-building ‘NPRED.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/NPRED.Rcheck/vign_test/NPRED/vignettes/NPRED_files/figure-html/dat-1.png
864x480 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 53255 bytes
Input file size = 54185 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 50896
  zc = 9  zm = 8  zs = 1  f = 0		IDAT size = 50864
  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 = 44528
  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 = 44528

Output IDAT size = 44528 bytes (8727 bytes decrease)
Output file size = 44606 bytes (9579 bytes = 17.68% decrease)

Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "cin" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "cra" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "csi" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "cxy" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "din" cannot be set
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  graphical parameter "page" cannot be set
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/NPRED.Rcheck/vign_test/NPRED/vignettes/NPRED_files/figure-html/knn-1.png
864x480 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 82680 bytes
Input file size = 82878 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 = 77365
  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 = 77365

Output IDAT size = 77365 bytes (5315 bytes decrease)
Output file size = 77443 bytes (5435 bytes = 6.56% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/NPRED.Rcheck/vign_test/NPRED/vignettes/NPRED_files/figure-html/weights-1.png
864x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 77979 bytes
Input file size = 78165 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 = 76118
  zc = 9  zm = 8  zs = 1  f = 5		IDAT size = 75719
  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 = 75719

Output IDAT size = 75719 bytes (2260 bytes decrease)
Output file size = 75797 bytes (2368 bytes = 3.03% decrease)


Quitting from lines 154-226 [exp] (NPRED.Rmd)
Error: processing vignette 'NPRED.Rmd' failed with diagnostics:
object 'Ind_AWAP.2.5' not found
--- failed re-building ‘NPRED.Rmd’

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

Error: Vignette re-building failed.
Execution halted