[R] Ordering variables in a parallel coordinates plot

[Charles C. Berry]

On Sun, 3 Jan 2010, Tal Galili wrote:

> Hi Charles,
> Thanks for answering - you are right about the posting guide (sorry).
>
> In any case, my question wasn't on how to reorder the columns (that is
> simple), but on how to choose what order to put them in.


OK, and I see you included a reference, so there is probably more to this 
than meets my eye.

But would something as simple as this be good enough??

> library(MASS)
> hc1 <- hclust(dist(cor(log(iris[, 1:4]))))
> parcoord(log(ir)[,  hc1$order ], col = 1 + (0:149)%/%50)

or possibly

 	hc1 <- hclust(dist( abs( cor(log(iris[, 1:4])))))

Chuck

>
>
> Thanks,
> Tal
>
>
>
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>
> On Sun, Jan 3, 2010 at 7:05 PM, Charles C. Berry <cberry at tajo.ucsd.edu>wrote:
>
>> On Sat, 2 Jan 2010, Tal Galili wrote:
>>
>>  Hello all,
>>>
>>> I am searching for a way in R to re-order variables before presenting them
>>> in a parallel coordinates plot.
>>>
>>> So far I didn't find anything within a R related context on how to do
>>> this.
>>> I did find some texts talking about how it should be done in general, here
>>> is such example:
>>> http://tinyurl.com/ycnsjpe
>>>
>>> Is there a package or an example of the variable ordering (for parallel
>>> coordinate plot) in R ?
>>>
>>
>> Follow the posting guide
>>
>>        ??parallel
>>        library(MASS)
>>        ?parcoord
>>        example( parcoord )
>>
>> See the last line of the example.
>>
>> HTH,
>>
>> Chuck
>>
>>
>>> Thanks,
>>> Tal
>>>
>>>
>>> ----------------Contact
>>> Details:-------------------------------------------------------
>>> Contact me: Tal.Galili at gmail.com |  972-52-7275845
>>> Read me: www.talgalili.com (Hebrew) | www.biostatistics.co.il (Hebrew) |
>>> www.r-statistics.com/ (English)
>>>
>>> ----------------------------------------------------------------------------------------------
>>>
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>>>
>>>
>>> ______________________________________________
>>> R-help at r-project.org 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.
>>>
>>>
>> Charles C. Berry                            (858) 534-2098
>>                                            Dept of Family/Preventive
>> Medicine
>> E mailto:cberry at tajo.ucsd.edu               UC San Diego
>> http://famprevmed.ucsd.edu/faculty/cberry/  La Jolla, San Diego 92093-0901
>>
>>
>>
>
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>
> ______________________________________________
> R-help at r-project.org 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.
>

Charles C. Berry                            (858) 534-2098
                                             Dept of Family/Preventive Medicine
E mailto:cberry at tajo.ucsd.edu	            UC San Diego
http://famprevmed.ucsd.edu/faculty/cberry/  La Jolla, San Diego 92093-0901