Error(s) in re-building vignettes:
--- re-building ‘vcd-tutorial.Rnw’ using Sweave
Loading required package: vcd
Loading required package: grid
Loading required package: gnm
The following objects are masked _by_ .GlobalEnv:

    A, B, C

Error: processing vignette 'vcd-tutorial.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'vcd-tutorial.tex' failed.
LaTeX errors:
! Undefined control sequence.
\Ginclude@graphics ...\Ginput@path \set@curr@file 
                                                  {#1}\edef \uq@curr@file {\...
l.462 ...dth=0.7\textwidth]{fig/vcd-tut-Arthritis}
                                                  
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.462 ...dth=0.7\textwidth]{fig/vcd-tut-Arthritis}
                                                  
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.462 ...dth=0.7\textwidth]{fig/vcd-tut-Arthritis}
                                                  
! Undefined control sequence.
<recently read> \quote@name 
                            
l.462 ...dth=0.7\textwidth]{fig/vcd-tut-Arthritis}
                                                  
! Undefined control sequence.
<recently read> \quote@name 
                            
l.462 ...dth=0.7\textwidth]{fig/vcd-tut-Arthritis}
                                                  
! LaTeX Error: File `fig/vcd-tut-Arthritis' not found.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Undefined control sequence.
\Ginclude@graphics ...\Ginput@path \set@curr@file 
                                                  {#1}\edef \uq@curr@file {\...
l.1332 ...trim=80 50 80 50]{fig/vcd-tut-fourfold1}
                                                  
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.1332 ...trim=80 50 80 50]{fig/vcd-tut-fourfold1}
                                                  
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.1332 ...trim=80 50 80 50]{fig/vcd-tut-fourfold1}
                                                  
! Undefined control sequence.
<recently read> \quote@name 
                            
l.1332 ...trim=80 50 80 50]{fig/vcd-tut-fourfold1}
                                                  
! Undefined control sequence.
<recently read> \quote@name 
                            
l.1332 ...trim=80 50 80 50]{fig/vcd-tut-fourfold1}
                                                  
! LaTeX Error: File `fig/vcd-tut-fourfold1' not found.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Undefined control sequence.
\Ginclude@graphics ...\Ginput@path \set@curr@file 
                                                  {#1}\edef \uq@curr@file {\...
l.1375 ...0.9\textwidth]{fig/vcd-tut-doubledecker}
                                                  
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.1375 ...0.9\textwidth]{fig/vcd-tut-doubledecker}
                                                  
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.1375 ...0.9\textwidth]{fig/vcd-tut-doubledecker}
                                                  
! Undefined control sequence.
<recently read> \quote@name 
                            
l.1375 ...0.9\textwidth]{fig/vcd-tut-doubledecker}
                                                  
! Undefined control sequence.
<recently read> \quote@name 
                            
l.1375 ...0.9\textwidth]{fig/vcd-tut-doubledecker}
                                                  
! LaTeX Error: File `fig/vcd-tut-doubledecker' not found.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Undefined control sequence.
\Ginclude@graphics ...\Ginput@path \set@curr@file 
                                                  {#1}\edef \uq@curr@file {\...
l.1395 \includegraphics{fig/vcd-tut-oddsratio}
                                              
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.1395 \includegraphics{fig/vcd-tut-oddsratio}
                                              
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.1395 \includegraphics{fig/vcd-tut-oddsratio}
                                              
! Undefined control sequence.
<recently read> \quote@name 
                            
l.1395 \includegraphics{fig/vcd-tut-oddsratio}
                                              
! Undefined control sequence.
<recently read> \quote@name 
                            
l.1395 \includegraphics{fig/vcd-tut-oddsratio}
                                              
! LaTeX Error: File `fig/vcd-tut-oddsratio' not found.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Undefined control sequence.
\Ginclude@graphics ...\Ginput@path \set@curr@file 
                                                  {#1}\edef \uq@curr@file {\...
l.1564 ...,trim=50 25 50 25]{fig/vcd-tut-agreesex}
                                                  
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.1564 ...,trim=50 25 50 25]{fig/vcd-tut-agreesex}
                                                  
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.1564 ...,trim=50 25 50 25]{fig/vcd-tut-agreesex}
                                                  
! Undefined control sequence.
<recently read> \quote@name 
                            
l.1564 ...,trim=50 25 50 25]{fig/vcd-tut-agreesex}
                                                  
! Undefined control sequence.
<recently read> \quote@name 
                            
l.1564 ...,trim=50 25 50 25]{fig/vcd-tut-agreesex}
                                                  
! LaTeX Error: File `fig/vcd-tut-agreesex' not found.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Undefined control sequence.
\Ginclude@graphics ...\Ginput@path \set@curr@file 
                                                  {#1}\edef \uq@curr@file {\...
l.1643 \includegraphics{fig/vcd-tut-ca-haireye}
                                               
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.1643 \includegraphics{fig/vcd-tut-ca-haireye}
                                               
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.1643 \includegraphics{fig/vcd-tut-ca-haireye}
                                               
! Undefined control sequence.
<recently read> \quote@name 
                            
l.1643 \includegraphics{fig/vcd-tut-ca-haireye}
                                               
! Undefined control sequence.
<recently read> \quote@name 
                            
l.1643 \includegraphics{fig/vcd-tut-ca-haireye}
                                               
! LaTeX Error: File `fig/vcd-tut-ca-haireye' not found.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Undefined control sequence.
\Ginclude@graphics ...\Ginput@path \set@curr@file 
                                                  {#1}\edef \uq@curr@file {\...
l.2062 \includegraphics{fig/vcd-tut-art21}
                                          
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\e
--- failed re-building ‘vcd-tutorial.Rnw’

SUMMARY: processing the following file failed:
  ‘vcd-tutorial.Rnw’

Error: Vignette re-building failed.
Execution halted