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 = 42692 bytes
Input file size = 42830 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 31953
  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 = 31953

Output IDAT size = 31953 bytes (10739 bytes decrease)
Output file size = 32031 bytes (10799 bytes = 25.21% decrease)

** Processing: figure/sadistskprime-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 36865 bytes
Input file size = 36991 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 28244
  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 = 28244

Output IDAT size = 28244 bytes (8621 bytes decrease)
Output file size = 28322 bytes (8669 bytes = 23.44% decrease)

** Processing: figure/sadistslambdap-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 40507 bytes
Input file size = 40633 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 30290
  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 = 30290

Output IDAT size = 30290 bytes (10217 bytes decrease)
Output file size = 30368 bytes (10265 bytes = 25.26% decrease)

** Processing: figure/sadistsupsilon-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 36875 bytes
Input file size = 37001 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 28562
  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 = 28562

Output IDAT size = 28562 bytes (8313 bytes decrease)
Output file size = 28640 bytes (8361 bytes = 22.60% decrease)

** Processing: figure/sadistsdnf-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 37327 bytes
Input file size = 37453 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 28661
  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 = 28661

Output IDAT size = 28661 bytes (8666 bytes decrease)
Output file size = 28739 bytes (8714 bytes = 23.27% decrease)

** Processing: figure/sadistsdnt-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 38852 bytes
Input file size = 38978 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 29544
  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 = 29544

Output IDAT size = 29544 bytes (9308 bytes decrease)
Output file size = 29622 bytes (9356 bytes = 24.00% decrease)

** Processing: figure/sadistsdnbeta-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 40047 bytes
Input file size = 40173 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 30744
  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 = 30744

Output IDAT size = 30744 bytes (9303 bytes decrease)
Output file size = 30822 bytes (9351 bytes = 23.28% decrease)

** Processing: figure/sadistsdneta-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 41042 bytes
Input file size = 41180 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 30679
  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 = 30679

Output IDAT size = 30679 bytes (10363 bytes decrease)
Output file size = 30757 bytes (10423 bytes = 25.31% decrease)

** Processing: figure/sadistssumlogchisq-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 39820 bytes
Input file size = 39946 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 30118
  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 = 30118

Output IDAT size = 30118 bytes (9702 bytes decrease)
Output file size = 30196 bytes (9750 bytes = 24.41% decrease)

** Processing: figure/sadistsprodchisqpow-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 41613 bytes
Input file size = 41751 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 31466
  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 = 31466

Output IDAT size = 31466 bytes (10147 bytes decrease)
Output file size = 31544 bytes (10207 bytes = 24.45% decrease)

** Processing: figure/sadistsproddnf-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 36519 bytes
Input file size = 36645 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 27391
  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 = 27391

Output IDAT size = 27391 bytes (9128 bytes decrease)
Output file size = 27469 bytes (9176 bytes = 25.04% decrease)

** Processing: figure/sadistsprodnormal-1.png
576x360 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 39854 bytes
Input file size = 39980 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 30568
  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 = 30568

Output IDAT size = 30568 bytes (9286 bytes decrease)
Output file size = 30646 bytes (9334 bytes = 23.35% 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