Error(s) in re-building vignettes:
  ...
--- re-building ‘using_ggmcmc.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/histogram-1.png
576x576 pixels, 8 bits/pixel, 250 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 11130 bytes
Input file size = 11982 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 9529
  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 = 9529

Output IDAT size = 9529 bytes (1601 bytes decrease)
Output file size = 9607 bytes (2375 bytes = 19.82% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/density-1.png
576x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 46701 bytes
Input file size = 46839 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 39826
  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 = 39826

Output IDAT size = 39826 bytes (6875 bytes decrease)
Output file size = 39904 bytes (6935 bytes = 14.81% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/traceplot-1.png
768x384 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 124806 bytes
Input file size = 125064 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 110438
  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 = 110438

Output IDAT size = 110438 bytes (14368 bytes decrease)
Output file size = 110516 bytes (14548 bytes = 11.63% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/running-1.png
470x768 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 45319 bytes
Input file size = 45457 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 37555
  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 = 37555

Output IDAT size = 37555 bytes (7764 bytes decrease)
Output file size = 37633 bytes (7824 bytes = 17.21% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/compare_partial-1.png
470x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 58890 bytes
Input file size = 59052 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 46604
  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 = 46604

Output IDAT size = 46604 bytes (12286 bytes decrease)
Output file size = 46682 bytes (12370 bytes = 20.95% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/autocorrelation-1.png
470x768 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 45934 bytes
Input file size = 46072 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 33345
  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 = 33345

Output IDAT size = 33345 bytes (12589 bytes decrease)
Output file size = 33423 bytes (12649 bytes = 27.45% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/crosscorrelation-1.png
384x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 11590 bytes
Input file size = 11680 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 9679
  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 = 9679

Output IDAT size = 9679 bytes (1911 bytes decrease)
Output file size = 9757 bytes (1923 bytes = 16.46% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/Rhat-1.png
576x384 pixels, 8 bits/pixel, 254 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 6285 bytes
Input file size = 7137 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 5495
  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 = 5495

Output IDAT size = 5495 bytes (790 bytes decrease)
Output file size = 5573 bytes (1564 bytes = 21.91% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/geweke-1.png
576x384 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 14342 bytes
Input file size = 14432 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 12092
  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 = 12092

Output IDAT size = 12092 bytes (2250 bytes decrease)
Output file size = 12170 bytes (2262 bytes = 15.67% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/par_labels-1.png
576x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 48080 bytes
Input file size = 48218 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 40747
  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 = 40747

Output IDAT size = 40747 bytes (7333 bytes decrease)
Output file size = 40825 bytes (7393 bytes = 15.33% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/caterpillar-1.png
576x864 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 40011 bytes
Input file size = 40917 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 36720
  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 = 36720

Output IDAT size = 36720 bytes (3291 bytes decrease)
Output file size = 36798 bytes (4119 bytes = 10.07% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/unnamed-chunk-10-1.png
576x384 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 13251 bytes
Input file size = 14121 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 11610
  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 = 11610

Output IDAT size = 11610 bytes (1641 bytes decrease)
Output file size = 11688 bytes (2433 bytes = 17.23% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/ppmean-1.png
384x384 pixels, 8 bits/pixel, 245 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 4494 bytes
Input file size = 5319 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 3795
  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 = 3795

Output IDAT size = 3795 bytes (699 bytes decrease)
Output file size = 3873 bytes (1446 bytes = 27.19% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/ppsd-1.png
384x384 pixels, 8 bits/pixel, 240 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 4076 bytes
Input file size = 4886 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 3393
  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 = 3393

Output IDAT size = 3393 bytes (683 bytes decrease)
Output file size = 3471 bytes (1415 bytes = 28.96% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/roc-1.png
576x480 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 23187 bytes
Input file size = 23289 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 20776
  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 = 20776

Output IDAT size = 20776 bytes (2411 bytes decrease)
Output file size = 20854 bytes (2435 bytes = 10.46% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/separation-1.png
576x192 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 11672 bytes
Input file size = 11762 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 9961
  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 = 9961

Output IDAT size = 9961 bytes (1711 bytes decrease)
Output file size = 10039 bytes (1723 bytes = 14.65% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/separation_arguments-1.png
960x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 30625 bytes
Input file size = 30739 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 24615
  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 = 24615

Output IDAT size = 24615 bytes (6010 bytes decrease)
Output file size = 24693 bytes (6046 bytes = 19.67% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/separation_minimalist-1.png
384x96 pixels, 8 bits/pixel, 243 colors in palette
Input IDAT size = 1403 bytes
Input file size = 2222 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 1294
  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		IDAT size = 1287
  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 = 1287

Output IDAT size = 1287 bytes (116 bytes decrease)
Output file size = 2106 bytes (116 bytes = 5.22% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/pcp-1.png
576x480 pixels, 8 bits/pixel, 235 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 5504 bytes
Input file size = 6299 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 4394
  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 = 4394

Output IDAT size = 4394 bytes (1110 bytes decrease)
Output file size = 4472 bytes (1827 bytes = 29.00% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/pairs-1.png
960x960 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 169192 bytes
Input file size = 169510 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 132870
  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 = 132870

Output IDAT size = 132870 bytes (36322 bytes decrease)
Output file size = 132948 bytes (36562 bytes = 21.57% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/histogram_greek-1.png
576x576 pixels, 8 bits/pixel, 241 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 10387 bytes
Input file size = 11212 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 8704
  zc = 9  zm = 8  zs = 1  f = 0		IDAT size = 8669
  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 = 8669

Output IDAT size = 8669 bytes (1718 bytes decrease)
Output file size = 8747 bytes (2465 bytes = 21.99% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/extension_facets_aes-1.png
1152x768 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 126272 bytes
Input file size = 126530 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 90748
  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 = 90748

Output IDAT size = 90748 bytes (35524 bytes decrease)
Output file size = 90826 bytes (35704 bytes = 28.22% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ggmcmc.Rcheck/vign_test/ggmcmc/vignettes/using_ggmcmc_files/figure-html/facets-1.png
960x1344 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 223736 bytes
Input file size = 224138 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 183295
  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 = 183295

Output IDAT size = 183295 bytes (40441 bytes decrease)
Output file size = 183373 bytes (40765 bytes = 18.19% decrease)

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

--- re-building ‘v70i09.Rnw’ using knitr
Error: processing vignette 'v70i09.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'v70i09.tex' failed.
LaTeX errors:
! Undefined control sequence.
l.193 \hldef
            {R> }\hlkwd{library}\hldef{(}\hlsng{"ggmcmc"}\hldef{)}
? 
! Emergency stop.
! Emergency stop.
l.193 
      
End of file on the terminal!

!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘v70i09.Rnw’

SUMMARY: processing the following file failed:
  ‘v70i09.Rnw’

Error: Vignette re-building failed.
Execution halted