Error(s) in re-building vignettes:
--- re-building ‘Introduction.Rnw’ using Sweave
Loading required package: survival
Loading required package: splines

Attaching package: ‘rstpm2’

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

    colon

Error: processing vignette 'Introduction.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'Introduction.tex' failed.
LaTeX errors:
! LaTeX Error: File `wasysym.sty' not found.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: sty)

! Emergency stop.
<read *> 
         
l.14 \usepackage
                {tablefootnote}^^M
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘Introduction.Rnw’

--- re-building ‘SimpleGuide.Rnw’ using Sweave
Loading required package: splines

Attaching package: ‘rstpm2’

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

    colon

Error: processing vignette 'SimpleGuide.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'SimpleGuide.tex' failed.
LaTeX errors:
! LaTeX Error: File `wasysym.sty' not found.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: sty)

! Emergency stop.
<read *> 
         
l.14 \usepackage
                {tablefootnote}^^M
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘SimpleGuide.Rnw’

--- re-building ‘multistate.Rnw’ using Sweave
Error: processing vignette 'multistate.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'multistate.tex' failed.
LaTeX errors:
! LaTeX Error: File `wasysym.sty' not found.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: sty)

! Emergency stop.
<read *> 
         
l.15 \usepackage
                {tablefootnote}^^M
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘multistate.Rnw’

--- re-building ‘predictnl.Rnw’ using Sweave
Loading required package: survival
Loading required package: splines

Attaching package: ‘rstpm2’

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

    colon

Warning in survfit.coxph(obj, se.fit = FALSE) :
  the model contains interactions; the default curve based on columm means of the X matrix is almost certainly not useful. Consider adding a newdata argument.
--- finished re-building ‘predictnl.Rnw’

SUMMARY: processing the following files failed:
  ‘Introduction.Rnw’ ‘SimpleGuide.Rnw’ ‘multistate.Rnw’

Error: Vignette re-building failed.
Execution halted