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
Killed