Abstract
The purpose of this paper is to analyze the structure of the models of offense and to determine their effi ciency. We were able to determine the teamwork structure by using a system of analysis of the offensive process. The analysis of the team activity as an integrated whole becomes very important. For this research we observed the Tallinn University basketball team, which plays in Division One of the Estonian league. The data was gathered from 600 ball possessions in 8 recorded games of the regular season. The data we collected was analyzed by the means of data mining. This research has helped to work out the basics of the analytical system of the teamwork aspect. The analyzing system of the competitive activity of the game, enables us to fi nd out interesting offensive models from the data. The results show that the team scoring (points/possession) as the main indicator of analyzed offenses was equal to 1.13 on average with a frequency of 48%. The 1—2 s duration period of ball possession in offensive zone proves to be most effective (scoring 68%). The most effective transition period is under 1.82 s (62%). The scoring of set offense is 44% in the mean. On the basis of this information, the coach can fi nd more convenient time lapses in the game’s performance. The analyzing system worked out through that, helps coaches to develop performance and promote learning.Keywords: performance analysis, data mining, efficiency.
Highlights
The main aim of the offensive teamwork is to score points
The purpose of this paper is to analyze the structure of the models of offense and to determine their efficiency
The team used the type of set offense in 77% of all ball possessions with efficiency equal to 44%
Summary
The main aim of the offensive teamwork is to score points. During the game there are changes in the structure of the game, which are caused by different reasons. It may depend on the tempo, the defensive formation of the opposite team or on the variety of used offensive models amongst others. It is necessary to analyze this information in order to arrange the training process more effectively. The purpose of this paper is to analyze the structure of the models of offense and to determine their efficiency. Some studies have concentrated their attention on the efficiency indicators of the game. Janeira (2001) have found that the main impact factor that defines winning and losing teams is defensive rebounding.
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