[R] bagplot - a rough R function
Peter Wolf
pwolf at wiwi.uni-bielefeld.de
Thu Sep 22 12:07:02 CEST 2005
Martin Maechler wrote:
>>>>>>"Peter" == Peter Wolf <pwolf at wiwi.uni-bielefeld.de>
>>>>>> on Wed, 21 Sep 2005 16:49:10 +0200 writes:
>>>>>>
>
> Peter> In the moment I am writing an R function for drawing
> Peter> bagplots (two dimensional boxplots).
> Peter> For some elements of the plot are found numerically
> Peter> the resulting plots differs a little bit from the correct bagplots.
>
> Peter> Here is the link to the actual version:
>
> Peter> http://www.wiwi.uni-bielefeld.de/~wolf/software/R-wtools/bagplot/bagplot.R
> Peter> ( R code )
>
> Peter> http://www.wiwi.uni-bielefeld.de/~wolf/software/R-wtools/bagplot/bagplot.pdf
> Peter> (examples and description)
>
> Peter> Now I am looking for examples to test / to improve my function.
> Peter> Where can I get data sets and the corresponding correct bagplots?
>
>I'll send you my (unpublished) version of my package 'bagplot'
>{{the one I've never released because of segmentation fault bugs
> somewhere in Fortran}} in a private E-mail.
>
>In my version I had started make a function
> bag()
>which *computes* all the information needed and then returns an
>(S3) object "bag". Then, the plotting happens via
>the
> plot.bag <- function(.....) {..........}
>method.
>
>So you can say
>
> plot(bag(.........), ........)
>
>if you want both (computing and plotting) at once, but can also
>separate the two --- following very much the modern "S" way
>"whole object ..".
>
>
>Martin
>
>
Hello Martin,
you are right. Separating computing and plotting is a better way for
a public version and I think that I will split my function. But
during testing algorithmic problems it is nice to have only one function.
Peter
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