Answers for "add datafframe togeter in R"

-1

r how to merge data frames

merge(x = df1, y = df2, by = c("Name_tag1", "Name_tag2"), all = TRUE)
Posted by: Guest on October-22-2020
0

r merge by two columns

x <- data.frame(k1=c(NA,NA,3,4,5), k2=c(1,NA,NA,4,5), data=1:5)
y <- data.frame(k1=c(NA,2,NA,4,5), k2=c(NA,NA,3,4,5), data=1:5)
merge(x, y, by=c("k1","k2"))
Posted by: Guest on March-26-2020

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