From: Jiantao Shi <bioconductor.cn_at_gmail.com>

Date: Mon 07 Aug 2006 - 22:40:53 EST

R-help@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. Received on Tue Aug 08 02:14:00 2006

Date: Mon 07 Aug 2006 - 22:40:53 EST

This figure is the plot of prototype of a Self Organizing Maps(SOM) result.The numeric data is a M*N matrix, M rows and N columns.color2D.matplot can transform the numeric matrix to a color matrix ,but i have to put them in hexagon cells to reveal their topological structure( M hexagon cells in a column,N hexagon cells in a row).

It seems that i have to use the GRID package in R.

On 8/8/06, Jim Lemon <jim@bitwrit.com.au> wrote:

*>
*

> Jiantao Shi wrote:

*> > Hi,
**> > i want to plot figure like this,
**> >
**> http://www.cis.hut.fi/projects/somtoolbox/download/pics2/shotvs2_colorcode.png
**> > So is there a function or package in R can help me to do this.
**> >
**> color2D.matplot transforms a numeric matrix into a color matrix, as does
**> "image". I don't know of an R function that does hexagon cells, although
**> it wouldn't be impossible to program. What is the numeric data behind
**> such a plot?
**>
**> Jim
**>
*

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