R - merge a list of data frames into one data frame with missing values by row

Question

I have a variation on the oh-so-common problem of how to merge things together in R.

I have a set of .txt files in a particular folder, and I have written a functi

Answer 1

Looks like a textbook use case for Reduce.

merge.all <- function(x, y) {
    merge(x, y, all=TRUE, by="Sample")
}

output <- Reduce(merge.all, DataList)