Nothing
## ceeboo 2007
circleplot.dist <- function(x, cutoff = 0.5, col = 1, circle = FALSE, scale = 1.4) {
if (!inherits(x, "dist"))
stop("'x' not of class dist")
x <- order.dist(x) # seriation
z <- seq(-pi, pi, length.out = attr(x, "Size") + 1)
x0 <- cos(z)
y0 <- sin(z)
r <- c(-1,1) * scale
plot(x0, y0, type = "p", xlim = r, ylim = r, xlab = "", ylab = "",
xaxt = "n", yaxt = "n", pty="s",)
if (circle) {
z <- seq(-pi, pi, 0.01)
lines(cos(z), sin(z), lty = 2)
}
text(x0, y0, labels = dimnames(x), pos = sign(x0) + 3)
w <- c(cut(c(x), seq(0, cutoff, length.out = 4)))
k <- !is.na(w)
if (any(k)) {
i <- row.dist(x)[k]
j <- col.dist(x)[k]
segments(x0[i], y0[i], x0[j], y0[j], lwd = w[k], col = col)
}
invisible()
}
##
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