Error(s) in re-building vignettes:
  ...
--- re-building ‘Introduction-Mixtures.Rnw’ using Sweave
Loading required package: rtkore
Loading required package: Rcpp

Attaching package: ‘rtkore’

The following object is masked from ‘package:Rcpp’:

    LdFlags

Error: processing vignette 'Introduction-Mixtures.Rnw' failed with diagnostics:
Running ‘texi2dvi’ on ‘Introduction-Mixtures.tex’ failed.
LaTeX errors:
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.104 \begin{document}
                      
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.104 \begin{document}
                      
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.104 \begin{document}
                      
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.104 \begin{document}
                      
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.104 \begin{document}
                      
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.104 \begin{document}
                      
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.104 \begin{document}
                      
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.104 \begin{document}
                      
--- failed re-building ‘Introduction-Mixtures.Rnw’

--- re-building ‘Learning-Mixtures.Rnw’ using Sweave
Loading required package: rtkore
Loading required package: Rcpp

Attaching package: ‘rtkore’

The following object is masked from ‘package:Rcpp’:

    LdFlags

Error: processing vignette 'Learning-Mixtures.Rnw' failed with diagnostics:
Running ‘texi2dvi’ on ‘Learning-Mixtures.tex’ failed.
LaTeX errors:
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.100 \begin{document}
                      
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.100 \begin{document}
                      
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.100 \begin{document}
                      
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.100 \begin{document}
                      
--- failed re-building ‘Learning-Mixtures.Rnw’

SUMMARY: processing the following files failed:
  ‘Introduction-Mixtures.Rnw’ ‘Learning-Mixtures.Rnw’

Error: Vignette re-building failed.
Execution halted