Error(s) in re-building vignettes:
  ...
--- re-building ‘introducing_madness.Rnw’ using knitr

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union


Attaching package: 'lubridate'

The following objects are masked from 'package:base':

    date, intersect, setdiff, union

Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Warning in madness(R) : no dimension given, turning val into a column
Error: processing vignette ‘introducing_madness.Rnw’ failed with diagnostics:
Running ‘texi2dvi’ on ‘introducing_madness.tex’ failed.
LaTeX errors:
! Missing $ inserted.
<inserted text> 
                $
l.1523 require(madness)set.seed(1234)X_
                                       NAMED <- array(rnorm(3), dim = c(3, 1...
! Emergency stop.
<inserted text> 
                $
l.1523 require(madness)set.seed(1234)X_
                                       NAMED <- array(rnorm(3), dim = c(3, 1...
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘introducing_madness.Rnw’

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

Error: Vignette re-building failed.
Execution halted