Are the packages M5 and Cubist different? I trained my models with both using the caret::train function
and got significantly different results. I thought the two packages generate M5 model trees.
They are different models.
M5 is a model tree that approximates Quinlan's model tree method. It can be configured to use trees or convert the trees to rule-based models.
Cubist is not a model tree. It makes one then converts it to rules. It also has boosting and a neighbor-based correction and uses Quinlan's code.
Thank you so much for your reply, Max.
I will PM you.
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