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. Author manuscript; available in PMC: 2023 Feb 10.
Published in final edited form as: J Comput Sci. 2015 Oct 19;11:102–111. doi: 10.1016/j.jocs.2015.10.006

Figure 3:

Figure 3:

Weighted k-means clustering. (a) Average silhouette. (b) Gap statistic. (c) Each point represents a peak. Its two coordinates are the coefficients corresponding to the first two eigenfunctions ϕ1 and ϕ2. k = 2 was used and each peak is classified as Type A (black) or Type B (red). The filled yellow diamonds represent the centroid of each cluster.