Iterative Learning-Based PID Precision Control for Sports Performance Analysis

Table 4

The original variance of the main course performance variable and the ratio of the typical variable explanation.

Typical variables of main course performance
Typical variables	Contribution rate	Cumulative contribution rate	Canonical correlation coefficient squared	Approximate standard error	Typical coefficient of determination
1	0.961	0.565	0.975	0.554	0.458
2	0.168	0.818	0.595	0.345	0.495
3	0.708	0.164	0.587	0.088	0.452
4	0.376	0.179	0.003	0.615	0.943