Error(s) in re-building vignettes:
  ...
--- re-building ‘MoosePopR-SightabilityPopR-Demo.Rmd’ using rmarkdown
New names:
* `Lone Cows` -> Lone.Cows
* `Cow W/1 \r\ncalf` -> Cow.W.1...calf
* `Cow W/2 calves` -> Cow.W.2.calves
* `Lone \r\ncalf` -> Lone...calf
* `Unk Age/Sex` -> Unk.Age.Sex
* ...
New names:
* `` -> ...1
New names:
* `` -> ...1
* `` -> ...2
New names:
* `` -> ...1
* `` -> ...2
New names:
* `` -> ...1
* `` -> ...2
Warning in sqrt(as.matrix(Cover[, 1:nbeta]) %*% beta.cov %*% t(as.matrix(Cover[,  :
  NaNs produced
Warning in cor(N.Animals, Block.Area) : the standard deviation is zero
Warning in cor(N.Animals, Block.Area) : the standard deviation is zero
Warning in cor(N.Animals, Block.Area) : the standard deviation is zero
Warning in cor(N.Animals, Block.Area) : the standard deviation is zero
--- finished re-building ‘MoosePopR-SightabilityPopR-Demo.Rmd’

--- re-building ‘RatioEstimator.pdf.asis’ using asis
--- finished re-building ‘RatioEstimator.pdf.asis’

--- re-building ‘SightabilityModel.Rnw’ using Sweave
Error: processing vignette 'SightabilityModel.Rnw' failed with diagnostics:
Running ‘texi2dvi’ on ‘SightabilityModel.tex’ failed.
LaTeX errors:
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.79 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.79 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.79 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.79 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.79 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.79 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.79 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.79 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.79 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.79 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.79 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.79 \begin{document}
                     
--- failed re-building 'SightabilityModel.Rnw'

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

Error: Vignette re-building failed.
Execution halted