[R] plain shading (not residuals) in mosaic plot

Muhammad Subianto msubianto at gmail.com
Wed Jul 19 19:06:04 CEST 2006


Maybe like this:
mosaic(allmorph, direction = "v", pop = FALSE,
gp=gpar(fill=c(grey(0.8),grey(0.4))))

Best, Muhammad Subianto


On 7/19/06, Gabor Grothendieck <ggrothendieck at gmail.com> wrote:
> If you look at ?mosaic the ... argument says it gets passed to strucplot and
> looking at ?strucplot we see it accepts a gp= arg so try this (same
> as your plus gp= arg):
>
> cols <- c(grey(0.8),grey(0.4))
> mosaic(allmorph, direction = "v", pop = FALSE, gp = list(col = cols))
>
> On 7/19/06, Kie Zuraw <kie at ucla.edu> wrote:
> > Hello. I've been using R for a couple of months and enjoying it a lot.
> > This is my first post to R-help.
> >
> > I'm using the vcd package to make mosaic plots with labels on the tiles
> > indicating the number of items in each cell.
> >
> > For example, I've made this plot:
> >
> >
> > > allmorph<-structure(c(10, 26, 17, 100, 70, 97, 253, 430, 185, 177,
> > > 25, 1), .Dim = as.integer(c(6, 2)), .Dimnames =
> > > structure(list(Stem.initial.obstruent = c("p", "t,s",
> > > "k","b","d","g"),Subst.behavior=c("unsubstituted","substituted")),
> > > .Names = c("Stem-initial obstruent","Behavior according to
> > > dictionary")), class = "table")
> > > mosaic(allmorph,direction="v",pop=FALSE)
> > > labeling_cells(text=allmorphs,margin=0)(allmorph)
> >
> >
> > So far so good. What I can't figure out how to do--after searching
> > through the vcd documentation
> > (http://cran.r-project.org/doc/packages/vcd.pdf), Googling, and
> > checking the r-help archive--is how to shade the tiles according to
> > their values for the variables rather than to reflect residuals. That
> > is, I want all the tiles at the bottom, whose value for the x-axis
> > variable is "substituted", to be dark grey, and those at the top, in
> > the "unsubstituted" category, to be light grey.
> >
> > I know how to do it with mosaicplot():
> >
> > > mosaicplot(morphs3,color=c(grey(0.8),grey(0.4)))
> >
> > ...but this doesn't work with mosaic(): the command
> > "mosaic(morphs3,color=c(grey(0.8),grey(0.4)))" yields a plot with all
> > tiles the same color. And conversely, I can't find a way to use
> > mosaicplot() and add numeric labels to the tiles--without much hope of
> > success, I tried combining mosaicplot() with labeling_cells(), but,
> > unsurprisingly, it didn't work:
> >
> > > mosaicplot(morphs3,color=c(grey(0.8),grey(0.4)),pop=FALSE)
> > Warning message:
> > extra argument(s) 'pop' will be disregarded in:
> > mosaicplot.default(morphs3, color = c(grey(0.8), grey(0.4)),
> > > labeling_cells(text=morphs3,margin=0)(morphs3)
> > Error in downViewport.vpPath(vpPathDirect(name), strict, recording =
> > recording) :        Viewport 'cell:Stem-initial obstruent=p,Behavior
> > according to dictionary=unsubstituted' was not found
> >
> >
> > Does anyone know how to get both the shading I want and the labels I
> > want, whether with mosaic(), with mosaicplot(), or in some other way?
> >
> > Thanks for your attention.
> >
> > -Kie Zuraw
> >
> > ______________________________________________
> > R-help at 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
> > and provide commented, minimal, self-contained, reproducible code.
> >
>
> ______________________________________________
> R-help at 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
> and provide commented, minimal, self-contained, reproducible code.
>



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