[R] Plotting large texts into pdf file

Pfaff, Bernhard Bernhard.Pfaff at drkw.com
Tue Sep 28 10:53:26 CEST 2004

> Is there an easy way to include larger amounts of text in a plot?
> I need to include a text report in a pdf file that is automtically
> created by a R script.
> I open a pdf device, then create several plots which are nicely output
> each on a page in
> the resulting pdf file, then I want to append page(s) that 
> contain only
> text.
> The best I came up with is the following:
> # create a new page
> frame()
> # setup some dummy coordinate system
> plot.window(c(0,10),c(0,10))
> # read the report as whole file (vector of lines)
> f <- readLines(filename)
> # concatenate the first 50 lines into on string with lines 
> separated by
> \n newline
> t <- paste(f[1:50], collapse="\n")
> # output text
> text(0, 5, t, pos=4, cex=0.8, xpd=NA)
> The problem is that the text is always centered in some way 
> (with pos =
> 4 vertically,
> and I cant easily put it into several pages.
> Is there an easier way to do this that I overlooked?
> For automation reasons I would like to have R output the text directly
> into the pdf.

Have you considered Sweave()? There is also a nice and well written tutorial
by Friedrich Leisch in R News:
Friedrich Leisch. Sweave, part I: Mixing R and LATEX. R News, 2(3):28-31,
December 2002
Friedrich Leisch. Sweave, part II: Package vignettes. R News, 3(2):21-24,
October 2003

as well as the referenced URLs within this tutorial.


> Thanks in advance
> Michael
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