R help - Jul 2011 - Entropy based feature selection in R

I need to use entropy based feature selection to reduce term space while
doing text classification. Are there any R packages available that would
help me do this?

I can also make do with chi squared based algorithm, if there are packages
for that. 

Thanks in advance.
Andy

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Hello everyone,

Any thoughts in this one please? 

The only thing I found was the FSelector package
(http://en.wikibooks.org/wiki/Data_Mining_Algorithms_In_R/Dimensionality_Reduction/Feature_Selection#Aviable_Feature_Ranking_Techniques_in_FSelector_Package).
Unfortunately though it seems to be far from scalable on my data (~300k
features, ~10k instances). 

I would appreciate some advice on this.

Thanks in advance.
Andy

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