Hierarchical Clustering 3

set.seed(564)
x <- matrix(rnorm(50 * 4), ncol = 2)
x[1:25, 1] <- x[1:25, 1] + 4
x[1:25, 2] <- x[1:25, 2] + 4
x[26:50, 1] <- x[26:50, 1] - 4
x[26:50, 2] <- x[26:50, 2] - 4
x[51:75, 1] <- x[51:75, 1] + 4
x[51:75, 2] <- x[51:75, 2] - 4
x[76:100, 1] <- x[76:100, 1] - 4
x[76:100, 2] <- x[76:100, 2] + 4

dd <- ...
hc.average <- ...

Je kunt zo vaak indienen als je wenst. Er wordt enkel rekening gehouden met je laatst ingediende oplossing.