Error(s) in re-building vignettes:
  ...
--- re-building ‘entropy_np.Rnw’ using Sweave
Nonparametric Kernel Methods for Mixed Datatypes (version 0.60-10)
[vignette("np_faq",package="np") provides answers to frequently asked questions]
[vignette("np",package="np") an overview]
[vignette("entropy_np",package="np") an overview of entropy-based methods]
Error: processing vignette 'entropy_np.Rnw' failed with diagnostics:
Running ‘texi2dvi’ on ‘entropy_np.tex’ failed.
LaTeX errors:
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.57 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.57 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.57 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.57 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.57 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.57 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.57 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.57 \begin{document}
                     
--- failed re-building ‘entropy_np.Rnw’

--- re-building ‘np.Rnw’ using Sweave
Nonparametric Kernel Methods for Mixed Datatypes (version 0.60-10)
[vignette("np_faq",package="np") provides answers to frequently asked questions]
[vignette("np",package="np") an overview]
[vignette("entropy_np",package="np") an overview of entropy-based methods]
Warning in Ops.factor(dfemale + dmarried + educ + exper + tenure, female) :
  ‘|’ not meaningful for factors
Error: processing vignette 'np.Rnw' failed with diagnostics:
Running ‘texi2dvi’ on ‘np.tex’ failed.
LaTeX errors:
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.77 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.77 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.77 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.77 \begin{document}
                     
--- failed re-building ‘np.Rnw’

--- re-building ‘np_faq.Rnw’ using Sweave
--- finished re-building ‘np_faq.Rnw’

SUMMARY: processing the following files failed:
  ‘entropy_np.Rnw’ ‘np.Rnw’

Error: Vignette re-building failed.
Execution halted