Combine two columns
Depending on your purpose you might want to look at ?interaction or its synonym : (i.e. a colon)
On Fri, Mar 7, 2008 at 4:09 PM, <amarkey at uiuc.edu> wrote:
Is there a way to combine two columns within a data frame? Example data: id snp AL1 AL2 1500 30 A B 1510 30 A A 1520 30 A B This is what I would like: indv snp AL1AL2 1500 30 AB 1510 30 AA 1520 30 AB Any help is greatly appreciated. Alysta
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