r how to merge data frames
merge(x = df1, y = df2, by = c("Name_tag1", "Name_tag2"), all = TRUE)r how to merge data frames
merge(x = df1, y = df2, by = c("Name_tag1", "Name_tag2"), all = TRUE)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"))concatenate multiple dataframes in R
do.call("rbind", list(dataframes to merge))Copyright © 2021 Codeinu
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