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MrWrong
这个作者很懒，什么都没留下…
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在MovieLens数据集上用SVD进行评分预测
参考了Yehuda Koren 08年的论文Factorization Meets the Neighborhood: a Multifaceted Collaborative Filtering Model代码如下：'''Version:1.0Created on 2014-02-25@Author:Dior'''import randomimport mathimpor原创 2014-02-25 19:47:27 · 8467 阅读 · 3 评论 -
SimpleTag_TFIDF
'''Created on 2014-03-05@Author:Dior'''import randomimport mathimport operatorclass SimpleTagBased(): #The constructor function def __init__(self,filename): self.filename=原创 2014-03-09 19:05:56 · 748 阅读 · 0 评论 -
SimpleTag_TFIDF++
'''Created on 2014-03-05@Author:Dior'''import randomimport mathimport operatorclass SimpleTagBased(): #The constructor function def __init__(self,filename): self.filename=原创 2014-03-09 19:07:45 · 788 阅读 · 4 评论 -
SimpleTagBased
'''Created on 2014-03-05@Author:Dior'''import randomimport mathimport operatorclass SimpleTagBased(): #The constructor function def __init__(self,filename): self.filename=原创 2014-03-09 19:04:50 · 1259 阅读 · 0 评论