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df <- data.frame(a = c(1, 3, 9, 0), b = c(12, 98, 90, 20), c = c(2, 4, 6, 8), row.names = c('o', 'p', 'q', 'r')) print(df) # run: # # a b c # o 1 12 2 # p 3 98 4 # q 9 90 6 # r 0 20 8 #