Nothing
average_ranks.incidence <- function(x, level = 0.9, error = 10^(-5), ...) {
# poset
ZETA <- x
n <- nrow(ZETA)
thr <- which(rowSums(incidence2cover(ZETA)) == 0)
es <- idn(zeta=ZETA, threshold = thr, error=error)
# uniformo gli average rank dei profili equivalenti
RNK <- es$rank_dist
eq <- equivalences(ZETA)
RNK <- by(RNK, eq, colMeans)
RNK <- t(sapply(eq, function(i) RNK[[i]]))
rownames(RNK) <- names(eq)
CONF <- function(DIST, LEV)
{
PROB <- 1
x <- DIST
while(PROB>=LEV)
{
y <- which(x>0)
fl <- c(min(y), max(y))
# meet<-fl[which((x[fl]==min(x[fl[1]], x[fl[2]]))==TRUE)]
meet <- fl[which.min(x[fl])]
x[meet] <- 0
PROB<-sum(x)
}
x[meet] <- DIST[meet]
PROB <- sum(x)
c(min(which(x>0)), max(which(x>0)), PROB)
}
AVRG <- apply(RNK, 1, function(x) x%*%(1:n)) #Average rank
MAX <- sapply(rownames(RNK), function(x) n-sum(upset(ZETA, x))+1)
MIN <- sapply(rownames(RNK), function(x) sum(downset(ZETA, x)))
RNG <- MAX - MIN #Range of position in the ranking
LEVELS <- as.data.frame(t(apply(RNK, 1, function(x) CONF(x, level))))
colnames(LEVELS) <- c("inf", "sup", "prob")
LEVELS[,1:2] <- n - LEVELS[,1:2] + 1
DF <- data.frame(avrg = n - AVRG + 1, LEVELS, min = n - MIN + 1, max = n - MAX + 1, range = RNG)
DF <- DF[order(DF$avrg),]
class(DF) <- c("average_ranks", class(DF))
return(DF)
}
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