User purchasing.
收藏DataCite Commons2020-09-19 更新2025-04-15 收录
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https://f1000research.com/articles/7-110/v1#DS1
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资源简介：
This file contains three columns (User_Code, Item_Code, Rating), the first column User_Code is the code assigned to each user and the second column Item_Code contains the encoded product that the user prefers and Rating is the value obtained from dividing the number of total product invoices by the number of times the user purchased a product.
提供机构：
F1000 Research Limited
创建时间：
2018-01-25
