Error(s) in re-building vignettes:
  ...
--- re-building ‘stxplore.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_files/figure-html/ssnap1-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 22312 bytes
Input file size = 22414 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 18988
  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 = 18988

Output IDAT size = 18988 bytes (3324 bytes decrease)
Output file size = 19066 bytes (3348 bytes = 14.94% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_files/figure-html/ssnap2-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 36500 bytes
Input file size = 36626 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 33160
  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 = 33160

Output IDAT size = 33160 bytes (3340 bytes decrease)
Output file size = 33238 bytes (3388 bytes = 9.25% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_files/figure-html/tsnap1-1.png
288x288 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 16809 bytes
Input file size = 17691 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 16449
  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 = 16449

Output IDAT size = 16449 bytes (360 bytes decrease)
Output file size = 16527 bytes (1164 bytes = 6.58% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_files/figure-html/sem1-1.png
288x288 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 13607 bytes
Input file size = 14477 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 12756
  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 = 12756

Output IDAT size = 12756 bytes (851 bytes decrease)
Output file size = 12834 bytes (1643 bytes = 11.35% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_files/figure-html/tem1-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 32297 bytes
Input file size = 32411 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 = 29510
  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 = 29510

Output IDAT size = 29510 bytes (2787 bytes decrease)
Output file size = 29588 bytes (2823 bytes = 8.71% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_files/figure-html/hovm1-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 22100 bytes
Input file size = 22202 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 17483
  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 = 17483

Output IDAT size = 17483 bytes (4617 bytes decrease)
Output file size = 17561 bytes (4641 bytes = 20.90% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_files/figure-html/hovm2-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 22686 bytes
Input file size = 22788 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 17798
  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 = 17798

Output IDAT size = 17798 bytes (4888 bytes decrease)
Output file size = 17876 bytes (4912 bytes = 21.56% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_files/figure-html/ridgeline-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 25661 bytes
Input file size = 25775 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 20695
  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 = 20695

Output IDAT size = 20695 bytes (4966 bytes decrease)
Output file size = 20773 bytes (5002 bytes = 19.41% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_files/figure-html/stecov1-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 14844 bytes
Input file size = 14934 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 11122
  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 = 11122

Output IDAT size = 11122 bytes (3722 bytes decrease)
Output file size = 11200 bytes (3734 bytes = 25.00% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_files/figure-html/stecov2-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 15178 bytes
Input file size = 15268 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 11537
  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 = 11537

Output IDAT size = 11537 bytes (3641 bytes decrease)
Output file size = 11615 bytes (3653 bytes = 23.93% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_files/figure-html/stecov3-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 14554 bytes
Input file size = 14644 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 10961
  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 = 10961

Output IDAT size = 10961 bytes (3593 bytes decrease)
Output file size = 11039 bytes (3605 bytes = 24.62% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_files/figure-html/stecov3-2.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 14830 bytes
Input file size = 14920 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 11400
  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 = 11400

Output IDAT size = 11400 bytes (3430 bytes decrease)
Output file size = 11478 bytes (3442 bytes = 23.07% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_files/figure-html/stsemiv3-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 12242 bytes
Input file size = 12332 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 9671
  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 = 9671

Output IDAT size = 9671 bytes (2571 bytes decrease)
Output file size = 9749 bytes (2583 bytes = 20.95% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_files/figure-html/stsemiv4-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 12020 bytes
Input file size = 12110 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 9423
  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 = 9423

Output IDAT size = 9423 bytes (2597 bytes decrease)
Output file size = 9501 bytes (2609 bytes = 21.54% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_files/figure-html/stsemiv5-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 11939 bytes
Input file size = 12029 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 9449
  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 = 9449

Output IDAT size = 9449 bytes (2490 bytes decrease)
Output file size = 9527 bytes (2502 bytes = 20.80% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_files/figure-html/eof1-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 31740 bytes
Input file size = 31854 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 24750
  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 = 24750

Output IDAT size = 24750 bytes (6990 bytes decrease)
Output file size = 24828 bytes (7026 bytes = 22.06% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_files/figure-html/eof2-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 30633 bytes
Input file size = 30747 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 24216
  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 = 24216

Output IDAT size = 24216 bytes (6417 bytes decrease)
Output file size = 24294 bytes (6453 bytes = 20.99% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_files/figure-html/cancor-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 32482 bytes
Input file size = 32596 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 25761
  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 = 25761

Output IDAT size = 25761 bytes (6721 bytes decrease)
Output file size = 25839 bytes (6757 bytes = 20.73% decrease)

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

--- re-building ‘stxplore_stars.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_stars_files/figure-html/ssnap1-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 55938 bytes
Input file size = 56088 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 32827
  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 = 32827

Output IDAT size = 32827 bytes (23111 bytes decrease)
Output file size = 32905 bytes (23183 bytes = 41.33% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_stars_files/figure-html/tempsnap-1.png
288x288 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 10090 bytes
Input file size = 10960 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 9732
  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 = 9732

Output IDAT size = 9732 bytes (358 bytes decrease)
Output file size = 9810 bytes (1150 bytes = 10.49% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_stars_files/figure-html/spmeans-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 33385 bytes
Input file size = 33511 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 26545
  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 = 26545

Output IDAT size = 26545 bytes (6840 bytes decrease)
Output file size = 26623 bytes (6888 bytes = 20.55% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_stars_files/figure-html/tempmeans-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 27784 bytes
Input file size = 27898 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 = 25202
  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 = 25202

Output IDAT size = 25202 bytes (2582 bytes decrease)
Output file size = 25280 bytes (2618 bytes = 9.38% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_stars_files/figure-html/hovmoller1-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 12873 bytes
Input file size = 12963 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 9816
  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 = 9816

Output IDAT size = 9816 bytes (3057 bytes decrease)
Output file size = 9894 bytes (3069 bytes = 23.68% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_stars_files/figure-html/hovmoller2-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 12259 bytes
Input file size = 12349 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 9338
  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 = 9338

Output IDAT size = 9338 bytes (2921 bytes decrease)
Output file size = 9416 bytes (2933 bytes = 23.75% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/stxplore.Rcheck/vign_test/stxplore/vignettes/stxplore_stars_files/figure-html/ridgeline-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 23876 bytes
Input file size = 23978 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 19763
  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 = 19763

Output IDAT size = 19763 bytes (4113 bytes decrease)
Output file size = 19841 bytes (4137 bytes = 17.25% decrease)


Quitting from lines 131-137 [empcov1] (stxplore_stars.Rmd)
Error: processing vignette 'stxplore_stars.Rmd' failed with diagnostics:
second argument of / cannot be a "difftime" object
--- failed re-building ‘stxplore_stars.Rmd’

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

Error: Vignette re-building failed.
Execution halted