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我有一些静态数据存储在数据框static_data
。我们的目标是合并data
与static_data
以获得output
静态数据高效合并
data <- data.frame(A = c("a","b","c","d","e"),B=c("a","b","b","e","e"))
static_data <- data.frame(I=c("a","b","c","d","e"),Info=c(1,2,3,4,5))
output <- data.frame(A = c("a","b","c","d","e"),B=c("a","b","b","e","e"),
AI=c(1,2,3,4,5),BI=c(1,2,2,5,5))
我的代码如下
colnames(data) <- c("I","B")
temp <- merge(data, static_data,by="I)
等一个。有效代码的最佳方式是什么?
@MrFlick我对你的建议达成一致。但首先必须使用列A然后列B进行合并。我想尽可能避免重命名 – richpiana
您真的需要“宽”格式的数据吗?将数据融化然后再合并一次会更容易。 – MrFlick
是的,我需要保持宽格式的意义,A和B代表链接在一起的ID – richpiana