cutreeStaticColor(dendro, cutHeight = 0.9, minSize = 50)hclust.standardColors() to see the sequence
of standard color labels.cutree,
then calculates the number of objects on each branch and only keeps branches that have at least
minSize objects on them.hclust for hierarchical clustering, cutree and
cutreeStatic for other constant-height branch cuts, standardColors to see
the sequence of color labels that can be assigned.