4216机器学习简单数值题short
Normalized MDI Share 1
题目
A random forest reports total mean-decrease-in-impurity contributions spread=0.42, imbalance=0.21, id_bucket=0.07. What are the normalized importance shares, and which feature ranks first?
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你的答案
spread_share
imbalance_share
id_bucket_share
top_feature