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helgejo/hierarchical-clustering-in-r

Last active November 19, 2017 16:20
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hierarchical-clustering-in-r
clusters <- hclust(dist(iris[, 3:4]))
plot(clusters)
clusterCut <- cutree(clusters, 3)
table(clusterCut, iris$Species)
clusters <- hclust(dist(iris[, 3:4]), method = 'average')
plot(clusters)
clusterCut <- cutree(clusters, 3)
table(clusterCut, iris$Species)
ggplot(iris, aes(Petal.Length, Petal.Width, color = iris$Species)) +
geom_point(alpha = 0.4, size = 3.5) + geom_point(col = clusterCut) +
scale_color_manual(values = c('black', 'red', 'green'))
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