From: P Ehlers <ehlers_at_math.ucalgary.ca>

Date: Fri 26 May 2006 - 23:12:52 EST

>>John Fox wrote:

*>>
*

*>>
*

*>>>Dear Emilie,
*

*>>>
*

*>>>This is, I guess, the effect() function in the effects package. If
*

*>>
*

*>>so,
*

*>>
*

*>>>note that the plot.effect() method uses trellis graphics (via the
*

*>>>lattice package), not standard R graphics, so you have to control
*

*>>>aspects of the plot in a manner consistent with trellis graphics.
*

*>>>
*

*>>>Unfortunately, you can't just specify the scales argument when you
*

*>>
*

*>>call
*

*>>
*

*>>>plot(), since plot.effect() already includes a scales argument when
*

*>>
*

*>>it
*

*>>
*

*>>>calls xyplot(). You can, however, set trellis parameters globally,
*

*>>>e.g., via something like
*

*>>>
*

*>>>axis.text <- trellis.par.get("axis.text")
*

*>>>par.ylab.text <- trellis.par.get("par.ylab.text")
*

*>>>par.xlab.text <- trellis.par.get("par.xlab.text")
*

*>>>axis.text$cex <- 1.5
*

*>>>par.ylab.text$cex <- 1.5
*

*>>>par.xlab.text$cex <- 1.5
*

*>>>trellis.par.set("axis.text", axis.text)
*

*>>>trellis.par.set("par.ylab.text", par.ylab.text)
*

*>>>trellis.par.set("par.xlab.text", par.xlab.text)
*

*>>>
*

*>>>Perhaps this can be done more efficiently -- I'm far from a trellis
*

*>>>whiz -- but the above should work.
*

*>>>
*

*>>>More generally, in designing the plot method for effect objects, it
*

*>>>wasn't my goal to produce publication-quality plots; for that, I
*

*>>>suggest that you build a custom graph using the information
*

*>>
*

*>>included in
*

*>>
*

*>>>the effect object.
*

*>>>
*

*>>>I hope this helps,
*

*>>> John
*

*>>
*

*>>Possibly a bit more efficient:
*

*>>
*

*>>trellis.par.set(list(axis.text = list(cex = 2),
*

*>> par.ylab.text = list(cex = 1.5),
*

*>> par.xlab.text = list(cex = 0.5)))
*

*>>
*

*>>Also good to know, Emilie:
*

*>>
*

*>> trellis.par.get()
*

*>>
*

*>>to see all the things that can be (re)set. Most are self-explanatory.
*

*>>
*

*>> - Peter Ehlers
*

*>>
*

*>>
*

*>>>On Wed, 24 May 2006 13:24:03 -0400
*

*>>> Emilie Berthiaume <Emilie.Berthiaume@usherbrooke.ca> wrote:
*

*>>>
*

*>>>
*

*>>>>I can't seem to be able to change the font size in an effect
*

*>>
*

*>>display.
*

*>>
*

*>>>>I've
*

*>>>>tried the following:
*

*>>>>
*

*>>>>
*

*>>>>
*

*>>>>>par(cex.lab=4)
*

*>>>>>plot(effect ("alti",reg8), ylab="detection probability")
*

*>>>>
*

*>>>>and
*

*>>>>
*

*>>>>
*

*>>>>
*

*>>>>>plot(effect ("alti",reg8), ylab="detection probability", cex=4)
*

*>>>>
*

*>>>>but nothing changes. Can anyone help me?
*

*>>>>thanks.
*

*>>>>
*

*>>>>
*

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Fri May 26 23:17:54 2006

Date: Fri 26 May 2006 - 23:12:52 EST

trellis.device() trellis.par.set(list(axis.text = list(col = "blue"))) # reset colour trellis.par.get("axis.text") # inspect trellis.par.set(list(axis.text = list(cex = 2))) # reset cex trellis.par.get("axis.text") # inspect; colour is still 'blue'

Best wishes,

Peter

John Fox wrote:

> Dear Peter, > > Won't that wipe out the other components of axis.text, etc.? > > Regards, > John > > On Thu, 25 May 2006 06:22:22 -0600 > P Ehlers <ehlers@math.ucalgary.ca> wrote: >

>>John Fox wrote:

> > > > -------------------------------- > John Fox > Department of Sociology > McMaster University > Hamilton, Ontario, Canada > http://socserv.mcmaster.ca/jfox/ > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html ______________________________________________R-help@stat.math.ethz.ch mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Fri May 26 23:17:54 2006

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