Error(s) in re-building vignettes:
--- re-building 'paper.Rnw' using knitr
Warning in system(paste(shQuote(texi2dvi), if (quiet) "--quiet" else "",  :
  running command '"C:\PROGRA~1\MiKTeX\miktex\bin\x64\texify.exe" --quiet --pdf "paper.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 'paper.Rnw' failed with diagnostics:
running 'texi2dvi' on 'paper.tex' failed

LaTeX errors:
paper.tex:267: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
paper.tex:312: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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paper.tex:373: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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paper.tex:397: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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paper.tex:416: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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paper.tex:439: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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paper.tex:456: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
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paper.tex:464: Package xcolor Error: Undefined color `messagecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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paper.tex:466: Package xcolor Error: Undefined color `messagecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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paper.tex:468: Package xcolor Error: Undefined color `messagecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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paper.tex:470: Package xcolor Error: Undefined color `messagecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
paper.tex:472: Package xcolor Error: Undefined color `messagecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
paper.tex:508: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
paper.tex:527: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
paper.tex:550: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
paper.tex:577: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
paper.tex:644: Package xcolor Error: Undefined color `fgcolor'.

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

--- failed re-building 'paper.Rnw'

--- re-building 'tolatex-examples.Rnw' using knitr
Warning in wilcox.test.default(x = c(-2.17390550005803e-11, -2.17097451127302e-11,  :
  cannot compute exact p-value with ties
Warning in wilcox.test.default(x = c(2.13309370167281e-11, 2.12594386539422e-11,  :
  cannot compute exact p-value with ties
Warning in wilcox.test.default(x = c(1.99236183107132e-11, 1.97388771994156e-11,  :
  cannot compute exact p-value with ties
Warning in wilcox.test.default(x = c(1.00897068477934e-12, 1.02406971791424e-12,  :
  cannot compute exact p-value with ties
Warning in wilcox.test.default(x = c(8.95727936267576e-13, 8.4909856923332e-13,  :
  cannot compute exact p-value with ties
Warning in wilcox.test.default(x = c(9.80548975348938e-13, 8.81072992342524e-13,  :
  cannot compute exact p-value with ties
Warning in wilcox.test.default(x = c(5.90887339058099e-11, 6.09077233093558e-11,  :
  cannot compute exact p-value with ties
Warning in wilcox.test.default(x = c(9.97119053991469e-15, 9.92695509127728e-15,  :
  cannot compute exact p-value with ties
Warning in system(paste(shQuote(texi2dvi), if (quiet) "--quiet" else "",  :
  running command '"C:\PROGRA~1\MiKTeX\miktex\bin\x64\texify.exe" --quiet --pdf "tolatex-examples.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 'tolatex-examples.Rnw' failed with diagnostics:
running 'texi2dvi' on 'tolatex-examples.tex' failed

LaTeX errors:
tolatex-examples.tex:81: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
tolatex-examples.tex:90: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
tolatex-examples.tex:90: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
tolatex-examples.tex:94: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
tolatex-examples.tex:99: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:99: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:136: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:141: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:141: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:178: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:184: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:184: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:218: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:224: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:224: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:261: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:267: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
tolatex-examples.tex:267: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:302: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:311: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:311: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:348: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:354: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:354: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:389: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:397: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:397: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:429: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:437: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:437: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:483: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:496: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:496: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:542: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:553: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:553: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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tolatex-examples.tex:587: Package xcolor Error: Undefined color `shadecolor'.

See the xcolor package documentation for explanation.
Type
--- failed re-building 'tolatex-examples.Rnw'

SUMMARY: processing the following files failed:
  'paper.Rnw' 'tolatex-examples.Rnw'

Error: Vignette re-building failed.
Execution halted