Error(s) in re-building vignettes:
--- re-building ‘treecm.Rnw’ using Sweave
Error: processing vignette 'treecm.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'treecm.tex' failed.
LaTeX errors:
! Undefined control sequence.
\Ginclude@graphics ...\Ginput@path \set@curr@file 
                                                  {#1}\edef \uq@curr@file {\...
l.125 ...[width=0.5\textwidth]{stonePine1_low.jpg}
                                                   % picture filename
! Missing $ inserted.
<inserted text> 
                $
l.125 ...[width=0.5\textwidth]{stonePine1_low.jpg}
                                                   % picture filename
! Extra }, or forgotten $.
\Ginclude@graphics ...put@path \set@curr@file {#1}
                                                  \edef \uq@curr@file {\expa...
l.125 ...[width=0.5\textwidth]{stonePine1_low.jpg}
                                                   % picture filename
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.125 ...[width=0.5\textwidth]{stonePine1_low.jpg}
                                                   % picture filename
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.125 ...[width=0.5\textwidth]{stonePine1_low.jpg}
                                                   % picture filename
! Undefined control sequence.
<recently read> \quote@name 
                            
l.125 ...[width=0.5\textwidth]{stonePine1_low.jpg}
                                                   % picture filename
! Undefined control sequence.
<recently read> \quote@name 
                            
l.125 ...[width=0.5\textwidth]{stonePine1_low.jpg}
                                                   % picture filename
! LaTeX Error: File `stonePine1_low.jpg' not found.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Missing $ inserted.
<inserted text> 
                $
l.125 ...[width=0.5\textwidth]{stonePine1_low.jpg}
                                                   % picture filename
! Missing } inserted.
<inserted text> 
                }
l.125 ...[width=0.5\textwidth]{stonePine1_low.jpg}
                                                   % picture filename
! Undefined control sequence.
\Ginclude@graphics ...\Ginput@path \set@curr@file 
                                                  {#1}\edef \uq@curr@file {\...
l.169 \includegraphics{treecm-ex2}
                                  
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.169 \includegraphics{treecm-ex2}
                                  
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.169 \includegraphics{treecm-ex2}
                                  
! Undefined control sequence.
<recently read> \quote@name 
                            
l.169 \includegraphics{treecm-ex2}
                                  
! Undefined control sequence.
<recently read> \quote@name 
                            
l.169 \includegraphics{treecm-ex2}
                                  
! LaTeX Error: File `treecm-ex2' 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.186 \includegraphics{treecm-ex3}
                                  
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.186 \includegraphics{treecm-ex3}
                                  
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.186 \includegraphics{treecm-ex3}
                                  
! Undefined control sequence.
<recently read> \quote@name 
                            
l.186 \includegraphics{treecm-ex3}
                                  
! Undefined control sequence.
<recently read> \quote@name 
                            
l.186 \includegraphics{treecm-ex3}
                                  
! LaTeX Error: File `treecm-ex3' 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.226 \includegraphics{treecm-exSnow2}
                                      
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.226 \includegraphics{treecm-exSnow2}
                                      
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.226 \includegraphics{treecm-exSnow2}
                                      
! Undefined control sequence.
<recently read> \quote@name 
                            
l.226 \includegraphics{treecm-exSnow2}
                                      
! Undefined control sequence.
<recently read> \quote@name 
                            
l.226 \includegraphics{treecm-exSnow2}
                                      
! LaTeX Error: File `treecm-exSnow2' 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.278 \includegraphics{treecm-exPruning}
                                        
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.278 \includegraphics{treecm-exPruning}
                                        
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.278 \includegraphics{treecm-exPruning}
                                        
! Undefined control sequence.
<recently read> \quote@name 
                            
l.278 \includegraphics{treecm-exPruning}
                                        
! Undefined control sequence.
<recently read> \quote@name 
                            
l.278 \includegraphics{treecm-exPruning}
                                        
! LaTeX Error: File `treecm-exPruning' 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.305 \includegraphics{treecm-exSR}
                                   
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.305 \includegraphics{treecm-exSR}
                                   
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.305 \includegraphics{treecm-exSR}
                                   
! Undefined control sequence.
<recently read> \quote@name 
                            
l.305 \includegraphics{treecm-exSR}
                                   
! Undefined control sequence.
<recently read> \quote@name 
                            
l.305 \includegraphics{treecm-exSR}
                                   
! LaTeX Error: File `treecm-exSR' 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@
--- failed re-building ‘treecm.Rnw’

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

Error: Vignette re-building failed.
Execution halted