Application of Big Data Mining Technology in the Digital Construction of Vocal Music Teaching Resource Library

Table 7

Eigenvalues, contribution rate, and cumulative contribution rate.

Main ingredient	Index	Eigenvalues	Contribution rate	Cumulative contribution rate
1		3.1713	13.66%	13.66%
2		3.0274	13.04%	26.7%
3		2.9543	12.73%	39.43%
4		2.8645	12.34%	51.77%
5		2.2314	9.61%	61.38%
6		2.2256	9.59%	70.97%
7		2.2115	9.53%	80.5%
8		2.0102	8.66%	89.16%
9		1.4535	6.26%	95.42%
10		0.7635	3.29%	98.71%
11		0.2343	1.01%	99.72%
12		0.0643	0.28%	100.00%