[Rd] Re: argument srt for mtext(); was: [R] using text on the x axis ticks rather than numbers

Prof Brian Ripley ripley at stats.ox.ac.uk
Wed Sep 8 09:17:31 CEST 2004

On Wed, 8 Sep 2004, Prof Brian Ripley wrote:

> On Wed, 8 Sep 2004, Uwe Ligges wrote:


> > Indeed, I think it is possible to provide an srt command (e.g. in half a 
> > year for something like R-2.1.0). What is expected for "srt = 0"?
> > a) the current behaviour, i.e. srt=0 in respect to the las setting *and* 
> > the margin side to plot the text in, or
> > b) always horizontally drawn text?
> > 
> > I'd vote for b).
> That's easy, see the precedent in
> > > BTW, if you want to use srt with mtext(at=) you can always use S ....
> S ignores las if at= is set, so srt=0 is the current default behaviour.

Sorry, I garbled that.  In S, srt=0 is horizontal whatever side=, and las
is always ignored.  Not that that is documented AFAICS, and it is hard to
remember ....


Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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