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

Table 3

List of effects of Federer’s game techniques and tactics.

Match	S1	S2	S3	S4	S5
2017 Australian Open final	0.9377	0.5413	0.4511	0.3311	0.3751
2017 Australian Open semifinals	0.9377	0.5723	0.4067	0.3058	0.3216
2016 Australian Open semifinals	0.9654	0.4523	0.3102	0.1864	0.2943
2015 year-end finals	0.8891	0.6363	0.3146	0.1057	0.3479
2015 year-end finals and semifinals	0.8321	0.6571	0.7512	0.3101	0.5021
2015 US Open finals	0.8801	0.5253	0.3575	0.3407	0.4533
2015 US Open semifinals	0.9297	0.7025	0.4167	0.3311	0.6666
2014 year-end finals and semifinals	0.9742	0.5687	0.3078	0.3311	0.3687
2014 US Open semifinals	0.9652	0.4653	0.3311	0.2396	0.3311
2014 Australian Open semifinals	0.9611	0.4910	0.4801	0.2534	0.2754
2013 year-end finals and semifinals	0.9375	0.5426	0.4517	0.3311	0.3751
2013 Australian Open semifinals	0.9543	0.6356	0.2727	0.210	0.3001