Pruning Decision Trees

Question

Below is a snippet of the decision tree as it is pretty huge.

How to make the tree stop growing when the lowest value in a node is under 5. H

Answer 1

In Scikit learn library, you have parameter called ccp_alpha as parameter for DescissionTreeClassifier. Using this you can do post-compexity-pruning for DecessionTrees. Check this out https://scikit-learn.org/stable/auto_examples/tree/plot_cost_complexity_pruning.html