随笔分类 -  大数据

谷歌pagerank算法
摘要：谷歌pagerank算法 数据描述 Directed graph (each unordered pair of nodes is saved once): web-Google.txt Webgraph from the Google programming contest, 2002 Nodes 阅读全文
posted @ 2020-12-23 14:17 _一只土拨鼠 阅读(183) 评论(0) 推荐(0)
panda读取数据
摘要：读取csv文件（movie数据集） import pandas as pd df_rating = pd.DataFrame(pd.read_csv('ratings.csv')) for index, row in df_rating.iterrows(): userId = row["userI 阅读全文
posted @ 2020-12-23 14:08 _一只土拨鼠 阅读(112) 评论(0) 推荐(0)