Error(s) in re-building vignettes:
  ...
--- re-building ‘tram.Rnw’ using knitr
Loading required package: mlt
Loading required package: basefun
Loading required package: variables
Loading required package: mvtnorm
Loading required package: TH.data

Attaching package: 'TH.data'

The following object is masked from 'package:MASS':

    geyser

Loading required package: SparseM

Attaching package: 'SparseM'

The following object is masked from 'package:base':

    backsolve


Attaching package: 'quantreg'

The following object is masked from 'package:survival':

    untangle.specials

Loading required package: partykit
Loading required package: grid

Attaching package: 'grid'

The following object is masked from 'package:variables':

    unit

Loading required package: libcoin
Warning in model.matrix.box_bases(object = list(iresponse = function (data,  :
  use scale = TRUE in as.basis.formula with sumcontr = TRUE
Warning in model.matrix.box_bases(object = list(iresponse = function (data,  :
  use scale = TRUE in as.basis.formula with sumcontr = TRUE
Warning in model.matrix.box_bases(object = list(iresponse = function (data,  :
  use scale = TRUE in as.basis.formula with sumcontr = TRUE
Warning in model.matrix.box_bases(object = list(iresponse = function (data,  :
  use scale = TRUE in as.basis.formula with sumcontr = TRUE
Warning in model.matrix.box_bases(object = list(iresponse = function (data,  :
  use scale = TRUE in as.basis.formula with sumcontr = TRUE
Warning in model.matrix.box_bases(object = list(iresponse = function (data,  :
  use scale = TRUE in as.basis.formula with sumcontr = TRUE
Warning in model.matrix.box_bases(object = list(iresponse = function (data,  :
  use scale = TRUE in as.basis.formula with sumcontr = TRUE
Warning in rq.fit.br(x, y, tau = tau, ...) : Solution may be nonunique
Warning in model.matrix.box_bases(object = list(iresponse = function (data,  :
  use scale = TRUE in as.basis.formula with sumcontr = TRUE
Warning in model.matrix.box_bases(object = list(iresponse = function (data,  :
  use scale = TRUE in as.basis.formula with sumcontr = TRUE
Warning in model.matrix.box_bases(object = list(iresponse = function (data,  :
  use scale = TRUE in as.basis.formula with sumcontr = TRUE
Warning in model.matrix.box_bases(object = list(iresponse = function (data,  :
  use scale = TRUE in as.basis.formula with sumcontr = TRUE
Warning in model.matrix.box_bases(object = list(iresponse = function (data,  :
  use scale = TRUE in as.basis.formula with sumcontr = TRUE
Warning in model.frame.default(object$predictf, data = newdata, na.action = na.pass,  :
  variable 'horTh' is not a factor
Error: processing vignette 'tram.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'tram.tex' failed.
LaTeX errors:
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\@endfloatbox ...pagefalse \outer@nobreak \egroup 
                                                  \color@endbox 
l.455 \end{figure}
                  
! LaTeX Error: \begin{Schunk} on input line 439 ended by \end{figure}.

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! LaTeX Error: Not in outer par mode.

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! Paragraph ended before \@tempa was complete.
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\@endfloatbox ...pagefalse \outer@nobreak \egroup 
                                                  \color@endbox 
l.493 \end{figure}
                  
! LaTeX Error: \begin{Schunk} on input line 474 ended by \end{figure}.

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! LaTeX Error: Not in outer par mode.

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! Paragraph ended before \@tempa was complete.
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l.516 \end{figure}
                  
! LaTeX Error: \begin{Schunk} on input line 500 ended by \end{figure}.

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! LaTeX Error: Not in outer par mode.

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\@endfloatbox ...pagefalse \outer@nobreak \egroup 
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l.635 \end{figure}
                  
! LaTeX Error: \begin{Schunk} on input line 622 ended by \end{figure}.

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! LaTeX Error: Not in outer par mode.

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! Paragraph ended before \@tempa was complete.
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\@endfloatbox ...pagefalse \outer@nobreak \egroup 
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l.729 \end{figure}
                  
! LaTeX Error: \begin{Schunk} on input line 715 ended by \end{figure}.

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! LaTeX Error: Not in outer par mode.

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! Paragraph ended before \@tempa was complete.
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\@endfloatbox ...pagefalse \outer@nobreak \egroup 
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l.858 \end{figure}
                  
! LaTeX Error: \begin{Schunk} on input line 839 ended by \end{figure}.

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l.982 \end{figure}
                  
! You can't use `\vadjust' in internal vertical mode.
\end@float ...nalty \@floatpenalty \else \vadjust 
                                                  {\penalty -\@Miv \vbox {}\...
l.982 \end{figure}
                  
! LaTeX Error: \begin{Schunk} on input line 960 ended by \end{figure}.

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! LaTeX Error: Not in outer par mode.

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! LaTeX Error: \begin{Schunk} on input line 1284 ended by \end{minipage}.

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! LaTeX Error: \begin{minipage} on input line 1284 ended by \end{lrbox}.

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! Missing } inserted.
<inserted text> 
                }
l.1295 \end{sidewaysfigure}
                           
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l.1381 \end{figure}
                   
! You can't use `\vadjust' in internal vertical mode.
\end@float ...nalty \@floatpenalty \else \vadjust 
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l.1381 \end{figure}
                   
! LaTeX Error: \begin{Schunk} on input line 1365 ended by \end{figure}.

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! LaTeX Erro
--- failed re-building ‘tram.Rnw’

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

Error: Vignette re-building failed.
Execution halted