Iterative Learning-Based PID Precision Control for Sports Performance Analysis

Table 3

Chi-square test of the likelihood of typical variables.

Likelihood ratio	value	Degree of freedom 1	Degrees of freedom 2	(significance level)
0.6158697	4.12	32	356.22	<0.0001
0.9980174	1.83	24	289.16	<0.0001
0.7131166	1.04	16	160.45	0.5473
0.9124785	0.97	6	124.72	0.6236
0.8321001	0.82	2	102.56	0.7379