Advertisements I have a dataset where multiple raters rate multiple subjects. I’d like to rearrange the data that looks like this: data <- data.frame(rater=c("A", "B", "C", "A", "B", "C"), subject=c(1, 1, 1, 2, 2, 2), measurment1=c(1, 2, 3, 4, 5,6), measurment2=c(11, 22, 33, 44, 55,66), measurment3=c(111, 222, 333, 444, 555, 666)) data # rater subject… Read More Rearranging data according to rater and subject, simultaneously creating new row names