[Retracted] Model for Evaluating the Technical and Tactical Effectiveness of Tennis Matches Based on Machine Learning

Table 4

Weights of each evaluation index.

Variable	S1	S2	S3	S4	S5
Eu	0.9478	0.8927	0.8904	0.9561	0.8913
ωu	0.0975	0.2069	0.2116	0.0874	0.2111
Difference	Y	Y	Y	Y	Y