[R] package plotrix: how to account for two two z categories

[Jim Lemon]

Hi Luigi,
Here is a quick example of how points would look in the same
configuration. Perhaps with end caps to show the nesting it may be
more like what you want.

Jim

On Thu, Sep 24, 2020 at 6:34 PM Jim Lemon <drjimlemon using gmail.com> wrote:
>
> Oh, sorry, forgot about the colors. A list beginning with the color
> for the overall summary, then colors for the first factor and so on.
> See the help page for examples.
>
> Jim
>
> On Thu, Sep 24, 2020 at 6:32 PM Jim Lemon <drjimlemon using gmail.com> wrote:
> >
> > Hi Luigi,
> > I thought a lot about that when I was writing the function. The only
> > way I could think of to show the nesting was dots with horizontal
> > lines and it looked messy and was quite hard to visualize the nesting.
> > If you do have any great ideas I always welcome contributions to
> > plotrix.
> >
> > Jim
> >
> > On Thu, Sep 24, 2020 at 6:25 PM Luigi Marongiu <marongiu.luigi using gmail.com> wrote:
> > >
> > > Thank you Jim, that is really nice!
> > > But is there a way to use dots instead of boxes? and how do I control
> > > the colours?
> > > Best regards
> > > Luigi
> > >
> > > On Thu, Sep 24, 2020 at 9:29 AM Jim Lemon <drjimlemon using gmail.com> wrote:
> > > >
> > > > Hi Luigi,
> > > > To display a nested breakdown like this I would suggest barNest. This
> > > > is one way to display the nesting. Note that if you change the order
> > > > of the factors in the formula you will get a different plot, so think
> > > > about how you want the summaries nested. Error bars can only be
> > > > displayed on the final breakdown.
> > > >
> > > > # because you have fairly long labels, use a wide plot
> > > > x11(width=10)
> > > > barcol<-list("lightgray",c("#ff00ff","#ff99ff"),
> > > >  c("#00ff00","#66ff66"),c("#aaaa00","#888800"))
> > > > barNest(y~x+z+w,Q,main="Double Measurement",
> > > >  ylab="Response",col=barcol,errbars=TRUE)
> > > >
> > > > Jim
> > > >
> > > > On Wed, Sep 23, 2020 at 10:48 PM Luigi Marongiu
> > > > <marongiu.luigi using gmail.com> wrote:
> > > > >
> > > > > Hello,
> > > > > I have an experiment measuring optical density (OD) when comparing
> > > > > three parameters:
> > > > > a) concentration of the target
> > > > > b) concentration of the probe
> > > > > c) concentration of the reporter antibody.
> > > > > Using plotrix I can nicely draw the first two into clusters, but I
> > > > > can't get separation for the third parameter. is there a way in
> > > > > plotrix to custer data according to two, let's say, z parameters (I
> > > > > call the second high-level parameter as w)? For instance, two
> > > > > clusters, each separated into two subclusters. Or is this more a job
> > > > > for lattice?
> > > > > Thank you.
> > > > >
> > > > > ```
> > > > > x = rep(c(rep("1000 pmol", 4), rep("0 pmol", 4)),2)
> > > > > z =  rep(c(rep("Treated", 2), rep("Untreated", 2), rep("Treated", 2),
> > > > > rep("Untreated", 2)))
> > > > > w = c(rep("1:1000", 8), rep("1:2000", 8))
> > > > > y = c(1.18, 1.22, 1.52, 2.37, 0.97, 1.08, 1.17, 1.58, 1.16, 1.16, 2.27, 2.24,
> > > > >       1.26, 1.28, 1.39, 1.77)
> > > > > Q = data.frame(x, z, w, y, stringsAsFactors = FALSE)
> > > > > names(Q) = c("[Target]", "Enzyme", "[Antibody]", "OD")
> > > > > names(Q) = c("x", "z", "w", "y") # for ease, I'll use single letters
> > > > > library(plotrix)
> > > > > brkdn.plot(y~x+z, data=Q,
> > > > >            pch = c(1, 16), cex = 1.5, type="p",
> > > > >            main="Single Measurement",
> > > > >            xlab=expression(bold("S1 nuclease")),
> > > > >            ylab=expression(bold("Optical density")))
> > > > > brkdn.plot(y~x+z+w, data=Q,
> > > > >            pch = c(1, 16), cex = 1.5, type="p",
> > > > >            main="Double Measurement",
> > > > >            xlab=expression(bold("S1 nuclease")),
> > > > >            ylab=expression(bold("Optical density")))
> > > > > ```
> > > > >
> > > > > ______________________________________________
> > > > > R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> > > > > 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.
> > >
> > >
> > >
> > > --
> > > Best regards,
> > > Luigi

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