Research Article

Clustering Analysis of Multivariate Data: A Weighted Spatial Ranks-Based Approach

Table 3

Comparison of different clustering approaches applied to the old faithful dataset.

Clustering methodNo. of clustersCluster sizesHPurityEntropyARI

WSR2172, 1000.0180.980.120.93
GMM (mclust) “BIC”340, 97, 1350.15100.71
K-means “CH index”1046, 42, 19, 23, 48, 21, 23, 13, 20, 170.710.980.070.18
HDDC “BIC”2175, 970101
MixtPPCA “BIC”2174, 980.0040.9960.030.98
PAM “silhouette width”2172, 1000.0180.980.120.93
DBSCAN3168, 82, 17 (5 noise points)0.080.980.090.85
KMD397, 76, 990.28100.60
FCM2172, 1000.0180.980.120.93
GG297, 1750101
DDC2172, 1000.0180.980.120.93
SNN2270, 20.010.640.94−0.01
densityClust127200.640.940

Results are based on the mean of 1000 repetitions.