noun
Technical term in mathematics and computing for removing branches from a decision tree to reduce complexity or overfitting.
決定木の枝刈りは、過学習を防ぐために重要です。
Pruning of decision trees is important to prevent overfitting.
このアルゴリズムでは、枝刈りによってモデルのサイズを小さくします。
In this algorithm, pruning reduces the size of the model.
剪定 is the general term for pruning plants or trees in gardening, while 枝刈り is specifically used in mathematics and computing for decision tree pruning.
Compound of 枝 (branch) and 刈り (cutting, pruning), literally 'branch cutting'. The term is a calque from English 'pruning' in the context of decision trees.