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. Author manuscript; available in PMC: 2015 Mar 1.
Published in final edited form as: Am J Orthod Dentofacial Orthop. 2014 Mar;145(3):305–316. doi: 10.1016/j.ajodo.2013.11.013

Table V.

Cluster Summary

Cluster Summary-5 Clusters
Cluster Frequency (%total) * Root mean Squares (St.Dev) Nearest Cluster Distance Between Centroids
1 56 0.75 2 2.13
2 85 0.77 5 2.10
3 57 0.90 2 2.26
4 53 0.94 2 2.19
5 58 0.87 2 2.10

N=309 Cuacasian. Data age, gender adjusted and normalized PCA.

*

Indicates the average distance between observations in the cluster.