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

--- re-building ‘multivariate.Rnw’ using knitr
Warning in (if (out_format(c("latex", "sweave", "listings"))) sanitize_fn else paste0)(path,  :
  replaced special characters in figure filename "figure/Taper plot" -> "figure/Taper_plot"
Warning in (if (out_format(c("latex", "sweave", "listings"))) sanitize_fn else paste0)(path,  :
  replaced special characters in figure filename "figure/taper specification" -> "figure/taper_specification"
Warning in (if (out_format(c("latex", "sweave", "listings"))) sanitize_fn else paste0)(path,  :
  replaced special characters in figure filename "figure/taper specification" -> "figure/taper_specification"
Warning in (if (out_format(c("latex", "sweave", "listings"))) sanitize_fn else paste0)(path,  :
  replaced special characters in figure filename "figure/taper specification2" -> "figure/taper_specification2"
Warning in (if (out_format(c("latex", "sweave", "listings"))) sanitize_fn else paste0)(path,  :
  replaced special characters in figure filename "figure/taper specification2" -> "figure/taper_specification2"
Warning in (if (out_format(c("latex", "sweave", "listings"))) sanitize_fn else paste0)(path,  :
  replaced special characters in figure filename "figure/transfer gain plot" -> "figure/transfer_gain_plot"
Warning in (if (out_format(c("latex", "sweave", "listings"))) sanitize_fn else paste0)(path,  :
  replaced special characters in figure filename "figure/transfer gain plot" -> "figure/transfer_gain_plot"
Warning in (if (out_format(c("latex", "sweave", "listings"))) sanitize_fn else paste0)(path,  :
  replaced special characters in figure filename "figure/transfer phase plot" -> "figure/transfer_phase_plot"
Warning in (if (out_format(c("latex", "sweave", "listings"))) sanitize_fn else paste0)(path,  :
  replaced special characters in figure filename "figure/transfer phase plot" -> "figure/transfer_phase_plot"
--- finished re-building ‘multivariate.Rnw’

--- re-building ‘normalization.Rnw’ using knitr
--- finished re-building ‘normalization.Rnw’

--- re-building ‘psd_overview.Rnw’ using knitr
--- finished re-building ‘psd_overview.Rnw’

make[1]: Entering directory '/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/psd.Rcheck/vign_test/psd/vignettes'
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/bin/Rscript -e "if (getRversion() < '3.0.0') knitr::knit2pdf('fftw.Rnw') else tools::texi2pdf('fftw.tex')"
Error in texi2dvi(file = file, pdf = TRUE, clean = clean, quiet = quiet,  : 
  Running ‘texi2dvi’ on ‘fftw.tex’ failed.
LaTeX errors:
! You can't use `macro parameter character #' in math mode.
l.133 ...md$relative[is.na(bmd$relative)] <- 1   #
                                                   NA happens.	return(bmd)}
? 
! Emergency stop.
! Emergency stop.
l.133 ...md$relative[is.na(bmd$relative)] <- 1   #
                                                   NA happens.	return(bmd)}
End of file on the terminal!

!  ==> Fatal error occurred, no output PDF file produced!
Calls: <Anonymous> -> texi2dvi
Execution halted
make[1]: *** [Makefile:16: fftw.pdf] Error 1
make[1]: Leaving directory '/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/psd.Rcheck/vign_test/psd/vignettes'
Error in tools:::buildVignettes(dir = "/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/psd.Rcheck/vign_test/psd") : 
  running ‘make’ failed
Execution halted