## method for "paircomp" data
pc <- paircomp(rbind(
c(1, 1, 1), # a > b, a > c, b > c
c(1, 1, -1), # a > b, a > c, b < c
c(1, -1, -1), # a > b, a < c, b < c
c(1, 1, 1)))
labels(pc)
labels(pc) <- c("ah", "be", "ce")
pc
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