rbind

Using base R you can do something like this do.call(“rbind”, lapply(split(dd, 1:nrow(dd)), function(x) { data.frame(dd[1:3], seat=dd[1,4]:dd[1,5], dd[6:7]) })) tested with dd <- read.csv(text=”event , section , row, seat from , seat to, price, n.tickets 1, A, 10, 6, 8, 120, 3″) Here we split up the data.frame by rows, then create a new data.frame by … Read more