Pruned M5P and ordering of the data

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Pruned M5P and ordering of the data

arturob
Hi
I'm struggling to understand why I obtain different pruned models by simply
changing the order of the columns in the dataframe x:

M5P(y~.,data=x,control=Weka_control(N=FALSE,U=TRUE,R=FALSE,M=4))

(while the models are the same if N=TRUE)
 
Thank you for your help
Arturo



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