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Table 4 Values of the absolute difference between the estimated and the known number of clusters across the correlation matrices for 96 variables and 24 objects

From: Thresher: determining the number of clusters while removing outliers

Methods NbClust Top 10 Best Indices   Thresher  
  trcovw tracew ratkowsky mcclain ptbiserial tau sdindex kl ccc hartigan CPT TwiceMean SCOD
1 1.008 1.037 1.088 1.123 1.920 2.020 2.255 2.087 2.022 2.905 0.477 0.727 0.150
2 1.004 1.032 1.073 1.179 1.959 2.081 2.287 2.258 2.363 3.048 0.114 0.119 0.153
3 1.008 1.031 1.065 1.135 1.858 2.041 2.193 2.099 2.763 2.902 0.135 0.130 0.165
4 0.811 0.968 0.921 0.904 0.635 0.559 0.551 1.023 1.263 0.941 0.438 0.408 1.887
5 0.965 0.978 0.918 0.888 0.598 0.524 0.516 1.058 1.940 0.846 0.192 0.150 1.882
6 0.822 0.960 0.917 0.897 0.613 0.522 0.516 1.082 1.558 1.016 0.423 0.438 1.897
7 0.064 0.034 0.082 0.112 0.906 1.068 1.239 1.163 1.307 1.954 0.618 0.776 0.890
8 0.068 0.021 0.075 0.108 0.946 1.078 1.255 1.199 1.177 1.857 0.760 0.802 0.914
9 1.05 1.029 1.082 1.126 1.882 2.045 2.215 2.153 1.975 2.933 0.422 0.401 0.163
10 1.011 1.025 1.072 1.130 1.981 2.080 2.262 2.129 2.011 2.932 0.502 0.611 0.179
11 0.571 0.024 0.069 0.123 0.900 1.084 1.239 1.114 0.021 1.906 0.109 0.104 0.918
12 0.104 0.038 0.081 0.101 0.919 1.088 1.225 1.148 0.450 1.901 0.115 0.120 0.913
13 1.664 1.956 1.902 1.897 1.147 0.983 0.852 1.392 1.971 0.767 0.582 0.576 2.930
14 1.938 1.969 1.925 1.893 1.184 0.997 0.857 1.463 2.201 0.793 0.105 0.092 2.884
15 0.810 0.960 0.902 0.892 0.614 0.531 0.512 1.020 1.025 0.914 1.354 1.328 1.910
16 0.958 0.964 0.896 0.906 0.635 0.549 0.537 1.017 1.586 0.912 0.277 0.278 1.897
Average 0.866 0.877 0.879 0.901 1.169 1.203 1.282 1.463 1.602 1.783 0.414 0.441 1.233
  1. Bold values indicate the best results for row settings