Error(s) in re-building vignettes:
  ...
--- re-building ‘static_cancer.pdf.asis’ using asis
--- finished re-building ‘static_cancer.pdf.asis’

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

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

--- re-building ‘cancer.Rnw’ using knitr
Error: processing vignette ‘cancer.Rnw’ failed with diagnostics:
Running ‘texi2dvi’ on ‘cancer.tex’ failed.
LaTeX errors:
! You can't use `macro parameter character #' in vertical mode.
l.86 #
       The data files below were downloaded on June 1, 2016require("gdata")b...

? 
! Emergency stop.
l.86 #
       The data files below were downloaded on June 1, 2016require("gdata")b...
End of file on the terminal!

!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘cancer.Rnw’

--- re-building ‘mcl.Rnw’ using knitr
Error: processing vignette ‘mcl.Rnw’ failed with diagnostics:
Running ‘texi2dvi’ on ‘mcl.tex’ failed.
LaTeX errors:
! Missing $ inserted.
<inserted text> 
                $
l.92 ...x = dat1[, -1], y = dat1[, 1], ctrl = bst_
                                                  control(mstop = m),
! Emergency stop.
<inserted text> 
                $
l.92 ...x = dat1[, -1], y = dat1[, 1], ctrl = bst_
                                                  control(mstop = m),
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘mcl.Rnw’

--- re-building ‘khan.Rnw’ using Sweave
--- finished re-building 'khan.Rnw'

--- re-building 'pros.Rnw' using Sweave
Type 'citation("pROC")' for a citation.

Attaching package: 'pROC'

The following objects are masked from 'package:stats':

    cov, smooth, var

Setting levels: control = -1, case = 1
Setting direction: controls < cases
Setting levels: control = -1, case = 1
Setting direction: controls < cases
Setting levels: control = -1, case = 1
Setting direction: controls < cases
Setting levels: control = -1, case = 1
Setting direction: controls < cases
Setting levels: control = -1, case = 1
Setting direction: controls < cases
Setting levels: control = -1, case = 1
Setting direction: controls < cases
Setting levels: control = -1, case = 1
Setting direction: controls < cases
Setting levels: control = -1, case = 1
Setting direction: controls < cases
--- finished re-building 'pros.Rnw'

SUMMARY: processing the following files failed:
  'cancer.Rnw' 'mcl.Rnw'

Error: Vignette re-building failed.
Execution halted