Error(s) in re-building vignettes:
  ...
--- re-building ‘continuous.Rmd’ using rmarkdown
** Processing: fig/tut05-spine1-1.png
576x576 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 6435 bytes
Input file size = 7293 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 5570
  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 = 5570

Output IDAT size = 5570 bytes (865 bytes decrease)
Output file size = 5648 bytes (1645 bytes = 22.56% decrease)

** Processing: fig/tut05-spine1-2.png
576x576 pixels, 8 bits/pixel, 255 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 6757 bytes
Input file size = 7612 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 5853
  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 = 5853

Output IDAT size = 5853 bytes (904 bytes decrease)
Output file size = 5931 bytes (1681 bytes = 22.08% decrease)

** Processing: fig/tut05-cdplot-1.png
480x480 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 8559 bytes
Input file size = 9429 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 7743
  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 = 7743

Output IDAT size = 7743 bytes (816 bytes decrease)
Output file size = 7821 bytes (1608 bytes = 17.05% decrease)

** Processing: fig/tut05-cdplot1-1.png
480x480 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 9062 bytes
Input file size = 9932 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 8249
  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 = 8249

Output IDAT size = 8249 bytes (813 bytes decrease)
Output file size = 8327 bytes (1605 bytes = 16.16% decrease)

** Processing: fig/tut05-donner3a-1.png
576x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 36234 bytes
Input file size = 36360 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 28173
  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 = 28173

Output IDAT size = 28173 bytes (8061 bytes decrease)
Output file size = 28251 bytes (8109 bytes = 22.30% decrease)

** Processing: fig/tut05-donner3a-2.png
576x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 37102 bytes
Input file size = 37228 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 31384
  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 = 31384

Output IDAT size = 31384 bytes (5718 bytes decrease)
Output file size = 31462 bytes (5766 bytes = 15.49% decrease)

[WARNING] Citeproc: citation ref not found
--- finished re-building ‘continuous.Rmd’

--- re-building ‘creating.Rmd’ using rmarkdown
** Processing: fig/tut01-Arthritis-1.png
576x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 24116 bytes
Input file size = 24218 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 20043
  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 = 20043

Output IDAT size = 20043 bytes (4073 bytes decrease)
Output file size = 20121 bytes (4097 bytes = 16.92% decrease)


Quitting from lines 452-458 [dayton5] (creating.Rmd)
Error: processing vignette 'creating.Rmd' failed with diagnostics:
there is no package called 'plyr'
--- failed re-building ‘creating.Rmd’

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

--- re-building ‘demo-housing.Rmd’ using rmarkdown

Quitting from lines 54-57 [unnamed-chunk-1] (demo-housing.Rmd)
Error: processing vignette 'demo-housing.Rmd' failed with diagnostics:
there is no package called 'effects'
--- failed re-building ‘demo-housing.Rmd’

--- re-building ‘loglinear.Rmd’ using rmarkdown
[WARNING] Citeproc: citation ref not found
--- finished re-building ‘loglinear.Rmd’

--- re-building ‘mobility.Rmd’ using rmarkdown
** Processing: fig/mobility-mosaicplot-1.png
672x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 24748 bytes
Input file size = 24862 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 19192
  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 = 19192

Output IDAT size = 19192 bytes (5556 bytes decrease)
Output file size = 19270 bytes (5592 bytes = 22.49% decrease)

** Processing: fig/mobility-mosaic1-1.png
672x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 18222 bytes
Input file size = 18324 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 15929
  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 = 15929

Output IDAT size = 15929 bytes (2293 bytes decrease)
Output file size = 16007 bytes (2317 bytes = 12.64% decrease)

** Processing: fig/mobility-indep-1.png
672x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 20467 bytes
Input file size = 20569 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 17892
  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 = 17892

Output IDAT size = 17892 bytes (2575 bytes decrease)
Output file size = 17970 bytes (2599 bytes = 12.64% decrease)

** Processing: fig/mobility-quasi-1.png
672x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 22173 bytes
Input file size = 22275 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 19070
  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 = 19070

Output IDAT size = 19070 bytes (3103 bytes decrease)
Output file size = 19148 bytes (3127 bytes = 14.04% decrease)

** Processing: fig/mobility-qsymm-mosaic-1.png
672x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 25028 bytes
Input file size = 25142 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 20913
  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 = 20913

Output IDAT size = 20913 bytes (4115 bytes decrease)
Output file size = 20991 bytes (4151 bytes = 16.51% decrease)

** Processing: fig/mobility-topo-mosaic-1.png
672x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 26328 bytes
Input file size = 26442 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 21945
  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 = 21945

Output IDAT size = 21945 bytes (4383 bytes decrease)
Output file size = 22023 bytes (4419 bytes = 16.71% decrease)

** Processing: fig/mobility-UAdiag-mosaic-1.png
672x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 27664 bytes
Input file size = 27778 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 23074
  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 = 23074

Output IDAT size = 23074 bytes (4590 bytes decrease)
Output file size = 23152 bytes (4626 bytes = 16.65% decrease)

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

--- re-building ‘mosaics.Rmd’ using rmarkdown
** Processing: fig/tut04-Arthritis1-1.png
672x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 24598 bytes
Input file size = 24712 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 20562
  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 = 20562

Output IDAT size = 20562 bytes (4036 bytes decrease)
Output file size = 20640 bytes (4072 bytes = 16.48% decrease)

** Processing: fig/tut04-Arthritis2-1.png
672x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 22024 bytes
Input file size = 22126 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 18353
  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 = 18353

Output IDAT size = 18353 bytes (3671 bytes decrease)
Output file size = 18431 bytes (3695 bytes = 16.70% decrease)

** Processing: fig/tut04-glass-mosaic1-1.png
672x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 33313 bytes
Input file size = 33439 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 28462
  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 = 28462

Output IDAT size = 28462 bytes (4851 bytes decrease)
Output file size = 28540 bytes (4899 bytes = 14.65% decrease)

** Processing: fig/tut04-glass-mosaic2-1.png
672x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 31736 bytes
Input file size = 31850 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 27121
  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 = 27121

Output IDAT size = 27121 bytes (4615 bytes decrease)
Output file size = 27199 bytes (4651 bytes = 14.60% decrease)

** Processing: fig/tut04-glass-quasi-1.png
672x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 32978 bytes
Input file size = 33104 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 28045
  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 = 28045

Output IDAT size = 28045 bytes (4933 bytes decrease)
Output file size = 28123 bytes (4981 bytes = 15.05% decrease)

** Processing: fig/tut04-glass-qsymm-1.png
672x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 35546 bytes
Input file size = 35672 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 29914
  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 = 29914

Output IDAT size = 29914 bytes (5632 bytes decrease)
Output file size = 29992 bytes (5680 bytes = 15.92% decrease)

** Processing: fig/tut04-housetasks-mos1-1.png
672x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 29767 bytes
Input file size = 29881 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 24771
  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 = 24771

Output IDAT size = 24771 bytes (4996 bytes decrease)
Output file size = 24849 bytes (5032 bytes = 16.84% decrease)

** Processing: fig/tut04-housetasks-ca-plot-1.png
672x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 37384 bytes
Input file size = 37510 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 32726
  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 = 32726

Output IDAT size = 32726 bytes (4658 bytes decrease)
Output file size = 32804 bytes (4706 bytes = 12.55% decrease)

** Processing: fig/tut04-housetasks-mos2-1.png
672x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 29294 bytes
Input file size = 29408 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 24625
  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 = 24625

Output IDAT size = 24625 bytes (4669 bytes decrease)
Output file size = 24703 bytes (4705 bytes = 16.00% decrease)

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

--- re-building ‘tests.Rmd’ using rmarkdown
** Processing: fig/tut02-fourfold1-1.png
720x480 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 76437 bytes
Input file size = 76623 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 62452
  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 = 62452

Output IDAT size = 62452 bytes (13985 bytes decrease)
Output file size = 62530 bytes (14093 bytes = 18.39% decrease)

** Processing: fig/tut02-doubledecker-1.png
768x480 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 8493 bytes
Input file size = 9363 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 7225
  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 = 7225

Output IDAT size = 7225 bytes (1268 bytes decrease)
Output file size = 7303 bytes (2060 bytes = 22.00% decrease)

** Processing: fig/tut02-oddsratio-1.png
576x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 27792 bytes
Input file size = 27906 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 22210
  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 = 22210

Output IDAT size = 22210 bytes (5582 bytes decrease)
Output file size = 22288 bytes (5618 bytes = 20.13% decrease)

** Processing: fig/tut02-agreesex-1.png
672x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 27690 bytes
Input file size = 27804 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 23196
  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 = 23196

Output IDAT size = 23196 bytes (4494 bytes decrease)
Output file size = 23274 bytes (4530 bytes = 16.29% decrease)

** Processing: fig/tut02-ca-haireye-1.png
672x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 24086 bytes
Input file size = 24188 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 19708
  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 = 19708

Output IDAT size = 19708 bytes (4378 bytes decrease)
Output file size = 19786 bytes (4402 bytes = 18.20% decrease)

[WARNING] Citeproc: citation fig not found
[WARNING] Citeproc: citation ref not found
--- finished re-building ‘tests.Rmd’

SUMMARY: processing the following files failed:
  ‘creating.Rmd’ ‘demo-housing.Rmd’

Error: Vignette re-building failed.
Execution halted