RFE algorithm, where the ranking criteria is w^2, described in [Guyon02]. The algorithm works with only two classes. classifier must be an object with learn() and w() methods.
[Guyon02] 

Parameters : 


Returns : 

KFDARFE algorithm based on the Rayleigh coefficient proposed in [Louw06]. The algorithm works with only two classes.
[Louw06] 

Parameters : 


Returns : 
