Error(s) in re-building vignettes:
  ...
--- re-building ‘sadists.Rnw’ using knitr
Loading required package: ggplot2
Loading required package: grid
Loading required package: polynom
`stat_bin()` using `bins = 30`. Pick better value with
`binwidth`.
large z may result in inaccurate quantiles
`stat_bin()` using `bins = 30`. Pick better value with
`binwidth`.
large z may result in inaccurate quantiles
`stat_bin()` using `bins = 30`. Pick better value with
`binwidth`.
large z may result in inaccurate quantiles
`stat_bin()` using `bins = 30`. Pick better value with
`binwidth`.
large z may result in inaccurate quantiles
`stat_bin()` using `bins = 30`. Pick better value with
`binwidth`.
large z may result in inaccurate quantiles
`stat_bin()` using `bins = 30`. Pick better value with
`binwidth`.
large z may result in inaccurate quantiles
`stat_bin()` using `bins = 30`. Pick better value with
`binwidth`.
large z may result in inaccurate quantiles
`stat_bin()` using `bins = 30`. Pick better value with
`binwidth`.
large z may result in inaccurate quantiles
`stat_bin()` using `bins = 30`. Pick better value with
`binwidth`.
large z may result in inaccurate quantiles
`stat_bin()` using `bins = 30`. Pick better value with
`binwidth`.
large z may result in inaccurate quantiles
`stat_bin()` using `bins = 30`. Pick better value with
`binwidth`.
large z may result in inaccurate quantiles
`stat_bin()` using `bins = 30`. Pick better value with
`binwidth`.
large z may result in inaccurate quantiles
Error: processing vignette ‘sadists.Rnw’ failed with diagnostics:
Running ‘texi2dvi’ on ‘sadists.tex’ failed.
LaTeX errors:
! You can't use `macro parameter character #' in horizontal mode.
l.353     text.size <- 6  #
                            sigh
? 
! Emergency stop.
! Emergency stop.
l.353     text.size <- 6  #
                            sigh
End of file on the terminal!

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

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

Error: Vignette re-building failed.
Execution halted