Error(s) in re-building vignettes:
  ...
--- re-building ‘sadists.Rnw’ using knitr
** Processing: figure/sadistssumchisqpow-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 42857 bytes
Input file size = 42995 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 32269
  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 = 32269

Output IDAT size = 32269 bytes (10588 bytes decrease)
Output file size = 32347 bytes (10648 bytes = 24.77% decrease)

** Processing: figure/sadistskprime-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 36647 bytes
Input file size = 36773 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 27981
  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 = 27981

Output IDAT size = 27981 bytes (8666 bytes decrease)
Output file size = 28059 bytes (8714 bytes = 23.70% decrease)

** Processing: figure/sadistslambdap-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 40417 bytes
Input file size = 40543 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 30185
  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 = 30185

Output IDAT size = 30185 bytes (10232 bytes decrease)
Output file size = 30263 bytes (10280 bytes = 25.36% decrease)

** Processing: figure/sadistsupsilon-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 38569 bytes
Input file size = 38695 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 29597
  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 = 29597

Output IDAT size = 29597 bytes (8972 bytes decrease)
Output file size = 29675 bytes (9020 bytes = 23.31% decrease)

** Processing: figure/sadistsdnf-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 37837 bytes
Input file size = 37963 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 29006
  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 = 29006

Output IDAT size = 29006 bytes (8831 bytes decrease)
Output file size = 29084 bytes (8879 bytes = 23.39% decrease)

** Processing: figure/sadistsdnt-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 38734 bytes
Input file size = 38860 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 29389
  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 = 29389

Output IDAT size = 29389 bytes (9345 bytes decrease)
Output file size = 29467 bytes (9393 bytes = 24.17% decrease)

** Processing: figure/sadistsdnbeta-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 40365 bytes
Input file size = 40491 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 30529
  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 = 30529

Output IDAT size = 30529 bytes (9836 bytes decrease)
Output file size = 30607 bytes (9884 bytes = 24.41% decrease)

** Processing: figure/sadistsdneta-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 39906 bytes
Input file size = 40032 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 30018
  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 = 30018

Output IDAT size = 30018 bytes (9888 bytes decrease)
Output file size = 30096 bytes (9936 bytes = 24.82% decrease)

** Processing: figure/sadistssumlogchisq-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 40140 bytes
Input file size = 40266 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 30315
  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 = 30315

Output IDAT size = 30315 bytes (9825 bytes decrease)
Output file size = 30393 bytes (9873 bytes = 24.52% decrease)

** Processing: figure/sadistsprodchisqpow-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 41547 bytes
Input file size = 41685 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 31527
  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 = 31527

Output IDAT size = 31527 bytes (10020 bytes decrease)
Output file size = 31605 bytes (10080 bytes = 24.18% decrease)

** Processing: figure/sadistsproddnf-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 35410 bytes
Input file size = 35536 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 26696
  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 = 26696

Output IDAT size = 26696 bytes (8714 bytes decrease)
Output file size = 26774 bytes (8762 bytes = 24.66% decrease)

** Processing: figure/sadistsprodnormal-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 39773 bytes
Input file size = 39899 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 30550
  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 = 30550

Output IDAT size = 30550 bytes (9223 bytes decrease)
Output file size = 30628 bytes (9271 bytes = 23.24% decrease)

Error: processing vignette 'sadists.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'sadists.tex' failed.
LaTeX errors:
! Undefined control sequence.
l.352 \hlkwd{require}\hldef
                           {(ggplot2)}
? 
! Emergency stop.
! Emergency stop.
l.352 
      
End of file on the terminal!

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

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

Error: Vignette re-building failed.
Execution halted