Research Article
Fuzzy Clustering Analysis of HVSR Data for Seismic Microzonation at Lahore City
Table 4
Kruskal-Wallis test for fuzzy C-mean clustering.
| Parameters | Cluster 1 | Cluster 2 | Cluster 3 | Degree of freedom | -value | Significance |
| Amplitude (Ao) | 63 | 61 | 29 | 2 | <0.0001 | 0.05 | 2.64† | 2.25 | 3.02 | 4.38‡ | 3.49 | 4.11 | 3.23 | 2.71 | 3.64 | 0.29†† | 0.22 | 0.28 |
| Fundamental frequency (fo) | 63 | 61 | 29 | 2 | 0.157 | 0.05 | 0.66 | 0.66 | 0.73 | 1.03 | 1.03 | 1.03 | 0.85 | 0.831 | 0.87 | 0.09 | 0.095 | 0.07 |
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number of observations without missing data; †: minimum; ‡: maximum; : mean; ††: standard deviation. |