How do I make a regression tree like this?

Question

I would like to make a regression tree like the one in the picture. The tree was done in Cubist but I don\'t have that program. I do use R and Python. It seems to differ from th

Answer 1

The overview of the R implementation of Cubist can be found here.

From that overview, the first part "of the algorithm is consistent with the 'M5' or Model Tree approach."

Specifically, the differences are that:

"Cubist generalizes this model to add boosting (when committees > 1) and instance based corrections"