Error(s) in re-building vignettes:
  ...
--- re-building ‘RcppArmadillo-sparseMatrix.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
--- finished re-building ‘RcppArmadillo-sparseMatrix.Rmd’

--- re-building ‘RcppArmadillo-intro.Rnw’ using Sweave
Error: processing vignette 'RcppArmadillo-intro.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'RcppArmadillo-intro.tex' failed.
LaTeX errors:
! Argument of \@tempa has an extra }.
<inserted text> 
                \par 
l.736 ...dth=0.75\columnwidth]{kalmanExample.pdf}}
                                                  
! Paragraph ended before \@tempa was complete.
<to be read again> 
                   \par 
l.736 ...dth=0.75\columnwidth]{kalmanExample.pdf}}
                                                  
! Extra }, or forgotten \endgroup.
<recently read> }
                 
l.736 ...dth=0.75\columnwidth]{kalmanExample.pdf}}
                                                  
! Missing \endgroup inserted.
<inserted text> 
                \endgroup 
l.740   }
         
! Missing \endgroup inserted.
<inserted text> 
                \endgroup 
l.740   }
         
! Missing \endgroup inserted.
<inserted text> 
                \endgroup 
l.740   }
         
! Missing } inserted.
<inserted text> 
                }
l.740   }
         
! Missing } inserted.
<inserted text> 
                }
l.740   }
         
! Too many }'s.
\color@endbox ->\color@endgroup \egroup 
                                        
l.741 \end{figure}
                  
! LaTeX Error: \begin{document} ended by \end{figure}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Extra \endgroup.
<recently read> \endgroup 
                          
l.741 \end{figure}
                  
--- failed re-building ‘RcppArmadillo-intro.Rnw’

SUMMARY: processing the following file failed:
  ‘RcppArmadillo-intro.Rnw’

Error: Vignette re-building failed.
Execution halted