Merge 2 columns into 1 column

Hey everyone,

I just can?t wrap my head around this problem: I got 2 Columns with 4 columns.

They basically look like this:
1 2 3 4
? ? ? ?

I want to merge the two CSVs into a two-column list, which should look like this:
1 & 3 2 & 4
? ?
? ?

This is what I came up with so far:
files <- paste(list.files(files.dir, pattern = "*.csv"), sep = "")# Scan
mergedfiles <- do.call("rbind", lapply(files, read.csv)) # Merge

Obviously this will only merge the two CSVs into a four column list.

Is there any way to merge columns 1 & 3 and columns 2 & 4 of both files into a single list?

Thanks and all the best
Kenji



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