[R-sig-Finance] Map of the Market

[Achim Zeileis]

On Wed, 7 Jun 2006 10:56:35 -0400 Bill Rugolsky Jr. wrote:

> The visualization is called a treemap:

Treemaps are also closely related to mosaic displays. In package "vcd"
there is a very flexible implementation of mosaics provided by mosaic()
(based on the workhorse function strucplot()). We've been playing
around with providing a simple treemap implementation based on
strucplot(), but did not get around to put it into a user-friendly
interface. However, it is not so difficult to produce simple
treemaps with mosaic() by setting up a table with the splitting
variables and corresponding areas.

Best,
Z
 
> http://www.cs.umd.edu/hcil/treemap-history/index.shtml
> 
> KCachegrind uses a very nice Qt-based treemap widget to display
> program profile information:
> 
> http://kcachegrind.sourceforge.net/cgi-bin/show.cgi/KcacheGrindTreeMap
> http://kcachegrind.sourceforge.net/cgi-bin/show.cgi/KcacheGrindShot
> 
> There are various other implementations of treemap widgets floating
> around for use in Perl, Java, etc.
> 
> Regards,
> 
> 	Bill Rugolsky
> 
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