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wains
2017 Dec 13
3
match and new columns
Hi all,
I have a data frame
tdat <- read.table(textConnection("A B C Y
A12 B03 C04 0.70
A23 B05 C06 0.05
A14 B06 C07 1.20
A25 A23 A12 3.51
A16 A25 A14 2,16"),header = TRUE)
I want match tdat$B with tdat$A and populate the column values of tdat$A
( col A and Col B) in the newly created columns (col D and col E). please
find my attempt and the desired output below
Desired output