can you trim subtree trees in a tree what is a decision tree? what is the difference between prepruning and pruning a tree why do you preprune when can you back prune a tree why is tree prepruning important when does tree pruning take place what is tree prepruning what is postpruning? why do i do preprun and prepruning? what is the benefit of backward pruning when do you prune your trees how to do preprun and preprune why do we use post pruning what is the difference between pruning a tree and prepruning what is the difference between prepruning and pruning pruning when tree is built is called why would a tree need a pre pruner? what is a tree pruning strategy what is the purpose of postpruning