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

number of observations without missing data; ^†: minimum; ^‡: maximum; : mean; ^††: standard deviation.