Nothing
ti <-
function (net)
{
ifelse(isTRUE(is.data.frame(net) == TRUE) == TRUE, net <- as.matrix(net),
NA)
ifelse(isTRUE(dim(net)[3] == 1) == TRUE, net <- net[, , 1],
NA)
ifelse(isTRUE(is.na(dim(net)[3]) == TRUE) == TRUE, z <- 1L,
z <- dim(net)[3])
if (isTRUE(z == 1) == TRUE) {
x <- net
cp <- unique(cpath(x, sep = ", ", lb2lb = FALSE))
if (is.list(cp) == TRUE && isTRUE(sum(unlist(cp)) ==
0) == TRUE) {
NA
}
else {
for (i in seq_len(length(cp))) {
pck <- as.numeric(dhc(cp[i], sep = ", "))
if (isTRUE(length(pck) > 2) == TRUE && isTRUE(x[pck,
pck][1, 3] != 0) == TRUE) {
tri <- net[pck, pck]
if (isTRUE(sum(tri[1, 2] + tri[2, 3]) < tri[1,
3]) == TRUE) {
x[pck[c(1, 3)][1], pck[c(1, 3)][2]] <- 0L
}
else {
NA
}
}
else {
NA
}
}
rm(i)
}
Qq <- x
}
else {
Qq <- net
for (k in seq_len(z)) {
x <- net[, , k]
cp <- unique(cpath(x, sep = ", ", lb2lb = FALSE))
for (i in seq_len(length(cp))) {
pck <- as.numeric(dhc(cp[i], sep = ", "))
if (isTRUE(length(pck) > 2) == TRUE && isTRUE(x[pck,
pck][1, 3] != 0) == TRUE) {
tri <- x[pck, pck]
if (isTRUE(sum(tri[1, 2] + tri[2, 3]) < tri[1,
3]) == TRUE) {
x[pck[c(1, 3)][1], pck[c(1, 3)][2]] <- 0L
}
else {
NA
}
}
else {
NA
}
}
rm(i)
Qq[, , k] <- x
}
rm(k)
}
Qq
}
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