Error(s) in re-building vignettes:
--- re-building ‘DEU_PISA2012_description.Rnw’ using Sweave
Error: processing vignette 'DEU_PISA2012_description.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'DEU_PISA2012_description.tex' failed.
LaTeX errors:
! LaTeX Error: \verb ended by end of line.

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! LaTeX Error: \verb ended by end of line.

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! LaTeX Error: \verb ended by end of line.

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! LaTeX Error: \verb ended by end of line.

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! LaTeX Error: \verb ended by end of line.

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! LaTeX Error: \verb ended by end of line.

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! LaTeX Error: Command textparagraph unavailable in encoding T1.

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! LaTeX Error: Command textparagraph unavailable in encoding T1.

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! LaTeX Error: \verb ended by end of line.

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Type  H <return>  for immediate help.
 ...                                              
! LaTeX Error: \verb ended by end of line.

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Type  H <return>  for immediate help.
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! LaTeX Error: \verb ended by end of line.

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Type  H <return>  for immediate help.
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! LaTeX Error: \verb ended by end of line.

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Type  H <return>  for immediate help.
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! LaTeX Error: \verb ended by end of line.

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Type  H <return>  for immediate help.
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! LaTeX Error: \verb ended by end of line.

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! LaTeX Error: \verb ended by end of line.

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! Missing $ inserted.
<inserted text> 
                $
l.288 ...values removed. These vlues in \verb DEU_
                                                  PISA2012$cog$dat$MATH$resp...
! Missing $ inserted.
<inserted text> 
                $
l.289 \begin{itemize}
                     
! Missing \endgroup inserted.
<inserted text> 
                \endgroup 
l.289 \begin{itemize}
                     
! LaTeX Error: Lonely \item--perhaps a missing list environment.

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! LaTeX Error: Lonely \item--perhaps a missing list environment.

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! LaTeX Error: Lonely \item--perhaps a missing list environment.

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! LaTeX Error: \begin{document} ended by \end{itemize}.

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! Extra \endgroup.
<recently read> \endgroup 
                          
l.293 \end{itemize}
                   
! LaTeX Error: \verb ended by end of line.

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! LaTeX Error: \verb ended by end of line.

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! Missing $ inserted.
<inserted text> 
                $
l.389 ...FAY WEIGHTS ( \verb W_FSTR1 \ to \verb W_
                                                  FSTR80 \ ) and few other w...
! Missing $ inserted.
<inserted text> 
                $
l.391 \begin{Sinput}
                    
! Missing } inserted.
<inserted text> 
                }
l.391 \begin{Sinput}
                    
! Missing \endgroup inserted.
<inserted text> 
                \endgroup 
l.391 \begin{Sinput}
                    
! Missing \endgroup inserted.
<inserted text> 
                \endgroup 
l.391 \begin{Sinput}
                    
! Missing \endgroup inserted.
<inserted text> 
                \endgroup 
l.391 \begin{Sinput}
                    
! Too many }'s.
\@par ... \@noitemerr {\@@par }\fi \else {\@@par }
                                                  \fi 
l.391 \begin{Sinput}
                    
--- failed re-building ‘DEU_PISA2012_description.Rnw’

SUMMARY: processing the following file failed:
  ‘DEU_PISA2012_description.Rnw’

Error: Vignette re-building failed.
Execution halted