wizardforcel
面向程序员的数据挖掘指南

Updated 4 years ago

这个算法

#4 · opened 2 years ago by FunnyWu · 0 comments

这个算法

#3 · opened 2 years ago by FunnyWu · 0 comments

Cosine similarity ignores 0-0 matches.

#2 · opened 3 years ago by duohappy · 0 comments

PWS1(u)j表示我们将预测用户u对物品j的评分

#1 · opened 3 years ago by duohappy · 0 comments