Error(s) in re-building vignettes:
  ...
--- re-building ‘charfunc.Rnw’ using Sweave
Error: processing vignette 'charfunc.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'charfunc.tex' failed.
LaTeX errors:
! Font U/esint/m/n/12=esint10 at 12.0pt not loadable: Metric (TFM) file not fou
nd.
<to be read again> 
                   relax 
l.71 \tableofcontents
! Font U/esint/m/n/8=esint10 at 8.0pt not loadable: Metric (TFM) file not found
.
<to be read again> 
                   relax 
l.71 \tableofcontents
! Font U/esint/m/n/6=esint10 at 6.0pt not loadable: Metric (TFM) file not found
.
<to be read again> 
                   relax 
l.71 \tableofcontents
! Font U/esint/m/n/10=esint10 at 10.0pt not loadable: Metric (TFM) file not fou
nd.
<to be read again> 
                   relax 
l.4 ...ape1, shape2, ncp = 0)}}{2}{subsection.2.1}
! Font U/esint/m/n/7=esint10 at 7.0pt not loadable: Metric (TFM) file not found
.
<to be read again> 
                   relax 
l.4 ...ape1, shape2, ncp = 0)}}{2}{subsection.2.1}
! Font U/esint/m/n/5=esint10 at 5.0pt not loadable: Metric (TFM) file not found
.
<to be read again> 
                   relax 
l.4 ...ape1, shape2, ncp = 0)}}{2}{subsection.2.1}
! \textfont 6 is undefined (character ^^A).
\endmathdisplay ...admath \fi \endmathdisplay@a $$
                                                  \global \let \df@label \@e...
l.88 ...(t)=\int_{S_{X}}\me^{itx}f_{X}(x)\,\d x.\]
                                                  
! \textfont 6 is undefined (character ^^A).
\endmathdisplay ...admath \fi \endmathdisplay@a $$
                                                  \global \let \df@label \@e...
l.132 ... u,\quad\alpha\neq0,\,-1,\,-2,\,\ldots.\]
                                                  
--- failed re-building ‘charfunc.Rnw’

--- re-building ‘prob.Rnw’ using Sweave
Loading required package: combinat

Attaching package: ‘combinat’

The following object is masked from ‘package:utils’:

    combn

Loading required package: fAsianOptions
Loading required package: timeDate
Loading required package: timeSeries
Loading required package: fBasics
Loading required package: fOptions

Attaching package: ‘prob’

The following objects are masked from ‘package:base’:

    intersect, setdiff, union

--- finished re-building ‘prob.Rnw’

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

Error: Vignette re-building failed.
Execution halted