R help - Sep 2009 - how to visualize gini coefficient in each node in RF?

Dear all,

I am working with randomForest package and I am interested in examining the
"Gini importance" measures that are used as a general indicator of
feature
relevance. Is there a possibility of getting the Gini measure that is being
estimated in each tree by the output of the getTree() function?

Thanks a lot,

Chrysanthi

	[[alternative HTML version deleted]]

No.  The forest object is too large as is.  I didn't think it's worth
the extra memory to store them.  They were never kept even in the
Fortran/C code. 

Andy

From: Chrysanthi A.
> Sent: Monday, September 28, 2009 5:20 PM
> To: r-help at r-project.org
> Subject: [R] how to visualize gini coefficient in each node in RF?
> 
> Dear all,
> 
> I am working with randomForest package and I am interested in 
> examining the
> "Gini importance" measures that are used as a general 
> indicator of feature
> relevance. Is there a possibility of getting the Gini measure 
> that is being
> estimated in each tree by the output of the getTree() function?
> 
> Thanks a lot,
> 
> Chrysanthi
> 
> 	[[alternative HTML version deleted]]
> 
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> PLEASE do read the posting guide 
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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