r语言按照一列进行分组转置
摘要:数据样式: group value A 1 A 2 A 3 B 5 B 6 C 7 代码: library(readxl) library(arules) df <- read_xlsx('E:/data.xlsx',sheet = "Sheet1")df_1 <- as(split(df$grou
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posted @ 2019-09-18 18:42
posted @ 2019-09-18 18:42
posted @ 2019-09-05 11:02
posted @ 2019-09-03 17:09