[R] Ctree Question

[Horace Tso]

Steve, I'm not sure if your task could be accomplished with a ready-made function in party. But, if you could manage to convert your tree structure to a dendrogram, then it's straightforward using dendrapply. In fact, there is an example in dendrapply help page showing how leaves are colored. 

?dendrapply

HTH.

H

-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf Of Steve_Friedman at nps.gov
Sent: Friday, July 09, 2010 10:22 AM
To: r-help at r-project.org
Subject: [R] Ctree Question


Hello,

I've been using ctree and have developed a 55 node - 28 terminal solution.
As can be imagined, the plot is difficult to travel down each of the major
branches.

I've read the help files for ctree I saw where terminal nodes can be color
coded.

 plot(airct, type = "simple")
> plot(airct, terminal_panel = node_boxplot(airct, col = "blue",  + fill =
hsv(2/3, 0.5, 1)))

Here is my question:

Since my model has 55 nodes and 28 terminal nodes,(ie many branches)  is it
feasible to color code the each of the major branches and track the paths
down the decision tree?

 R 2.11.1, Windox XP


Thanks
Steve



Steve Friedman Ph. D.
Spatial Statistical Analyst
Everglades and Dry Tortugas National Park
950 N Krome Ave (3rd Floor)
Homestead, Florida 33034

Steve_Friedman at nps.gov
Office (305) 224 - 4282
Fax     (305) 224 - 4147

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