Question

Why tree pruning useful in decision tree induction?

Answer 1

HELLO FRIEND HERE IS YOUR ANSWER.
Whendecision trees are built, many of the branches may reflect noise or outliers in the training data. ... These situations can impede the accuracy and comprehensibility of a decision tree.
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Answer 2

Answer:

$\LARGE{\underline{\underline{\bf{AnsweR \:  : -}}}}$

• When decision trees are built, many of the branches may reflect noise or outliers in the training data. ... Tree pruning attempts to identify and remove such branches, with the goal of improving classification accuracy on unseen data.