4218机器学习简单数值题short
Normalized MDI Share 3
题目
A sector feature is represented by three one-hot columns with impurity-gain importances 0.04, 0.03, and 0.01. Two other features have importances 0.05 and 0.07. If you aggregate the one-hot block into a single group, what are the normalized group shares and which group ranks first?
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提交作答时记录，用于后续平均用时统计。
你的答案
sector_share
feature_2_share
feature_3_share
first_rank_group