[R] Sweave and scan()

[David Winsemius]

On Jul 26, 2010, at 11:54 PM, Murray Jorgensen wrote:

> I am introducing the scan() function to my class. Consider the  
> following file (Scanexamp.Rnw )
>
> \documentclass[12pt]{article}
>
> \begin{document}
> <<>>=
> height = scan()

> 64 62 66 65 62
> 69 72 72 70

Have you considered adding an empty line or an ";" after the closing  
paren of scan? (At the console the semi-colon gambit has the desired  
effect while the empty line strategy fails.)

>
> part = scan(what = character(0))
> "Soprano" "Soprano" "Soprano"
> "Alto"    "Alto"    "Tenor"
> "Tenor"   "Bass"    "Bass"
>
> sh = data.frame(height, part)
> sh
> @
> \end{document}
>
> Now what happens when I attempt to Sweave this is
>
> > Sweave("scanexamp.Rnw")
> Writing to file scanexamp.tex
> Processing code chunks ...
> 1 : echo term verbatim
>
> Error:  chunk 1
> Error in parse(text = chunk) : unexpected numeric constant in:
> "height = scan()
> 64 62"
> >
>
> Comments would be appreciated. (And thanks to Ross Darnell for a lot  
> of help on another list.)
>
> Cheers,  Murray Jorgensen
>
> -- 
> Dr Murray Jorgensen      http://www.stats.waikato.ac.nz/Staff/maj.html
> Department of Statistics, University of Waikato, Hamilton, New Zealand
> Email: maj at waikato.ac.nz                                Fax 7 838 4155
> Phone  +64 7 838 4773 wk    Home +64 7 825 0441   Mobile 021 0200 8350
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.

David Winsemius, MD
Heritage Laboratories
West Hartford, CT