plot(bird.orders, font = 1, no.margin = TRUE)
par(mar = c(0, 0, 0, 8))
plot(dend, horiz = TRUE)
-layout(matrix(1, 1, 1))
+layout(matrix(1))
+\dontrun{
### convert into networks:
if (require(network)) {
x <- as.network(rtree(10))
print(as.igraph(tr, FALSE, FALSE))
}
}
+}
\keyword{manip}