Error(s) in re-building vignettes:
--- re-building 'dirichletprocess.Rnw' using Sweave
Warning in system(paste(shQuote(texi2dvi), if (quiet) "--quiet" else "",  :
  running command '"C:\PROGRA~1\MiKTeX\miktex\bin\x64\texify.exe" --quiet --pdf "dirichletprocess.tex" --max-iterations=20 -I "C:/r_packages/rinst/share/texmf/tex/latex" -I "C:/r_packages/rinst/share/texmf/bibtex/bst"' had status 1
Error: processing vignette 'dirichletprocess.Rnw' failed with diagnostics:
running 'texi2dvi' on 'dirichletprocess.tex' failed

LaTeX errors:
dirichletprocess/vignettes/dirichletprocess.tex:81: Package xcolor Error: Undef
ined color `Red'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
dirichletprocess/vignettes/dirichletprocess.tex:81: Package xcolor Error: Undef
ined color `Red'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
dirichletprocess/vignettes/dirichletprocess.tex:1418: Package xcolor Error: Und
efined color `Red'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
dirichletprocess/vignettes/dirichletprocess.tex:1426: Package xcolor Error: Und
efined color `Red'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
dirichletprocess/vignettes/dirichletprocess.tex:1426: Package xcolor Error: Und
efined color `Red'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
dirichletprocess/vignettes/dirichletprocess.tex:1426: Package xcolor Error: Und
efined color `Red'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
dirichletprocess/vignettes/dirichletprocess.tex:1426: Package xcolor Error: Und
efined color `Red'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.

--- failed re-building 'dirichletprocess.Rnw'

SUMMARY: processing the following file failed:
  'dirichletprocess.Rnw'

Error: Vignette re-building failed.
Execution halted