Research on Clustering Algorithm Based on Improved SOM Neural Network

Table 2

Interpretation of total variance after rotation.

Component	Initial eigenvalue			Sum of squares of rotating loads
	Total	Percentage variance	Cumulative (%)	Total	Percentage variance	Cumulative (%)
1	12.371	33.434	33.434	9.281	25.085	25.085
2	2.623	7.089	40.523	2.451	6.625	31.709
3	2.353	6.360	46.883	2.447	6.614	38.323
4	1.571	4.245	51.128	2.269	6.132	44.455
5	1.516	4.096	55.224	1.952	5.276	49.731
6	1.277	3.451	58.675	1.950	5.271	55.002
7	1.190	3.217	61.892	1.780	4.812	59.814
8	1.049	2.836	64.728	1.429	3.861	63.675
9	1.010	2.729	67.457	1.399	3.782	67.457
10	……	……	……	……	……	……