[RkWard-devel] Barplot plugin

[I. Soumpasis]

2007/1/25, SJR <stefan_roediger at gmx.de>:
>
> Am Mittwoch, 24. Januar 2007 16:35 schrieb I. Soumpasis:
> > Hi!
> >
> > I tried today and made a plugin to produce barplots. It can handle a
> matrix
> > or a factor (using the summary function). It can create a legend and use
> > rainbow colors. It can produce stacked or juxtaposed bars. It really
> gave
> > me a hard time, but I learned a lot. I also wrote the help page for the
> > plugin.
> >
> > I will uploaded at svn in some minutes. Also changed the plot.pluginmap
> > accordingly.What else should I change so the plugin to be installed?
> > Makefile or something?
> >
> > I made enough testings but please take a look and give advices and
> ideas.
> >
> > Regards,
> > Ilias
>
> The only suggestion I have is to use barplot2 from the gplots-package
> instead.
> It is similar but in many ways more powerfull (confidence intervals e.g.).
> http://addictedtor.free.fr/graphiques/RGraphGallery.php?graph=54
> http://addictedtor.free.fr/graphiques/graphcode.php?graph=54
>
> But this would require (as you already know from your other plugins) to
> load
> the package from the web which also a disadvantage. Somehow good, somehow
> bad
> therefore it's your decision of course.


This is a conversation that I would like to do sometime, it seems that now
is the appropriate time. It is a kind of question of uniformity and how
close to R should be rkward. Let me explain. We probably should decide
(probably as plugin policy) if we will use package like lattice and/or
gplots that give different colors from the traditional R plot engine. For
example if use barplot2 gives color barplots thus barplot gives gray plots.
Lattice package gives more different colors. I hope you understand what I
mean.

One more thing is how far to get barplot. For example for barplot you can
get stacked bars, juxtaposed,  or vertically or horizontically bars. Should
we give options for these and if yes in a different tabs? Or is it enough
this I have done? Neither on stacked nor on vertically bars we can add
values. I took a look to SPSS, Minitab and Rcmdr, and they use only
vertically bars. What do you think?

@ Thomas
> Right now there are quite a lot plugins which do the require(something)
> trick.
> We have spoken about this issue in the past (I think). I suggested
> something
> like a "First Run Wizard" which asks the user to check if there are
> plugins
> which require non-locally stored packages and subsequently starts the
> (existing) procedure to install them. Actually there is no need for a
> wizard
> but an option in settings would also be good in therms of useability. I'm
> saying this because it can happen that people on a company workplace or
> students on Uni-PCs have to work with RKWard but with no root privileges
> which would make installation of packages "hard". It could be frustrating
> if
> somebody can not use this or that because a package is not installed. And
> I
> guess administrators could get annoyed if this happens frequently on many
> machines. Hope you know what I mean. Someting for the ToDo-list?


I could suggest for this  the rkward package for R to have as dependencies
the packages needed. I remember Rcmdr if you install with dep=T then
installs needed packages, If not however when you open it it says that for
Rcmdr to work properly you should install some packages. I do not know if
that helps in some way.

Regards,
Ilias

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