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R语言把dataframe拆分为两个或多个dataframe实战(Splitting tables):使用R原生方法、data.table、dplyr等方案
2022-04-22 12:33:00 【Data+Science+Insight】
R语言把dataframe拆分为两个或多个dataframe实战(Splitting tables):使用R原生方法、data.table、dplyr等方案

#仿真数据
productTable <- wrapr::build_frame(
"productID", "price" |
"p1" , 9.99 |
"p2" , 16.29 |
"p3" , 19.99 |
"p4" , 5.49 |
"p5" , 24.49 )
salesTable <- wrapr::build_frame(
"productID", "sold_store", "sold_online" |
"p1" , 6 , 64 |
"p2" , 31 , 1 |
"p3" , 30 , 23 |
"p4" , 31 , 67 |
"p5" , 43 , 51 )
productTable2 <- wrapr::build_frame(
"productID", "pric
版权声明
本文为[Data+Science+Insight]所创,转载请带上原文链接,感谢
https://habit.blog.csdn.net/article/details/121436548
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