[R] Changing mtext direction, or using text for the margin?

[David L Carlson]

Or use the "ugly hack" with a bit of locator() trial and error.
Replace the last mtext() call with

text(17.9, 31.9, "dependent B", srt=-90, xpd=NA, cex=1.25)

----------------------------------------------
David L Carlson
Associate Professor of Anthropology
Texas A&M University
College Station, TX 77843-4352


> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Greg Snow
> Sent: Monday, January 07, 2013 3:59 PM
> To: David Winsemius
> Cc: r-help; Uwe Ligges; Michael Rennie
> Subject: Re: [R] Changing mtext direction, or using text for the
> margin?
> 
> And look at the grconvertX and grconvertY functions for possibly ways
> to
> compute positioning information when using text with base graphics.
> 
> 
> On Mon, Jan 7, 2013 at 11:35 AM, David Winsemius
> <dwinsemius at comcast.net>wrote:
> 
> >
> > On Jan 7, 2013, at 8:06 AM, Michael Rennie wrote:
> >
> >
> >> Any thoughts on what that dirty hack might be or any leads on where
> to
> >> start? Perhaps a whole new plot region in the margin or something?
> Is that
> >> even possible? I'm having a difficult time imagining how I can do
> this.
> >>
> >
> > The `text` function accepts the 'xpd' argument for `par`.
> >
> > ?par
> > ?text
> >
> > (Similar but not exactly the same as R-FAQ "7.27 How can I create
> rotated
> > axis labels?")
> >
> > I'm not sure what sort of "dirt" Uwe was expecting, but I'm guessing
> he
> > meant that you probably were not going to be getting exactly what you
> > wanted with the first attempt and were going to need to adjust the
> > locations "by hand" after digging around in the par documentation.
> >
> > --
> > David.
> >
> >  Mike
> >>
> >> Uwe Ligges wrote:
> >>
> >>>
> >>>
> >>> On 07.01.2013 07:00, Michael Rennie wrote:
> >>>
> >>>>
> >>>> Hi all,
> >>>>
> >>>> I have read through the archives, but can't find a solution to
> this
> >>>> problem.
> >>>>
> >>>> I need the text direction on "dependent B", plotted in margin 4,
> to go
> >>>> top to bottom (opposite what it is now). Here's some sample code:
> >>>>
> >>>> #plot with mtext example
> >>>>
> >>>> par(mgp = c(2,1,0), mfrow=c(2,2), las=1, mar=c(2,2,2,2), omi=
> >>>> c(0.5,0.2,0,0.2))
> >>>>
> >>>> a<-1:10
> >>>> b<-7:16
> >>>> c<-21:30
> >>>>
> >>>> plot(a~b, ylab="", xlab="", xaxt="n")
> >>>> axis(1, at=b, labels=FALSE, tick=TRUE)
> >>>> plot(c~b, ylab="", xlab="", xaxt="n", yaxt="n")
> >>>> axis(1, at=b, labels=FALSE, tick=TRUE)
> >>>> axis(4, at=c(22,24,26,28,30), labels=TRUE, tick=TRUE)
> >>>> plot(a~b, ylab="")
> >>>> plot(c~b, ylab="", yaxt="n")
> >>>> axis(4, at=c(22,24,26,28,30), labels=TRUE, tick=TRUE)
> >>>>
> >>>> mtext(side=1, "independent", outer=TRUE, line=1, padj=1)
> >>>> mtext(side=2, "dependent A", las=0, outer=TRUE, line=0.25)
> >>>> mtext(side=4, "dependent B", las=0, outer=TRUE, line=0.25)
> >>>>
> >>>> I have seen an example in help where i can use text and (srt) to
> >>>> manipulate this with a single panel plot, but not for a multi-
> panel
> >>>> example. Any help would be greatly appreciated.
> >>>>
> >>>
> >>>
> >>> You cannot do that with mtext, you rather need a dirty hack with
> text(),
> >>> I believe.
> >>>
> >>> Best,
> >>> Uwe Ligges
> >>>
> >>>
> >>>
> >>>  Cheers,
> >>>>
> >>>> Mike
> >>>>
> >>>> ______________________________**________________
> >>>> R-help at r-project.org mailing list
> >>>> https://stat.ethz.ch/mailman/**listinfo/r-
> help<https://stat.ethz.ch/mailman/listinfo/r-help>
> >>>> PLEASE do read the posting guide
> >>>> http://www.R-project.org/**posting-guide.html<http://www.R-
> project.org/posting-guide.html>
> >>>> and provide commented, minimal, self-contained, reproducible code.
> >>>>
> >>>
> >>>
> >> ______________________________**________________
> >> R-help at r-project.org mailing list
> >> https://stat.ethz.ch/mailman/**listinfo/r-
> help<https://stat.ethz.ch/mailman/listinfo/r-help>
> >> PLEASE do read the posting guide http://www.R-project.org/**
> >> posting-guide.html <http://www.R-project.org/posting-guide.html>
> >> and provide commented, minimal, self-contained, reproducible code.
> >>
> >
> > David Winsemius, MD
> > Alameda, CA, USA
> >
> >
> > ______________________________**________________
> > R-help at r-project.org mailing list
> > https://stat.ethz.ch/mailman/**listinfo/r-
> help<https://stat.ethz.ch/mailman/listinfo/r-help>
> > PLEASE do read the posting guide http://www.R-project.org/**
> > posting-guide.html <http://www.R-project.org/posting-guide.html>
> > and provide commented, minimal, self-contained, reproducible code.
> >
> 
> 
> 
> --
> Gregory (Greg) L. Snow Ph.D.
> 538280 at gmail.com
> 
> 	[[alternative HTML version deleted]]
> 
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