Journal
SYMMETRY-BASEL
Volume 12, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/sym12122029
Keywords
decision support system; players assessment; MCDA; fuzzy logic
Categories
Funding
- National Science Centre [UMO-2018/29/B/HS4/02725]
- name Regional Excellence Initiative in the years 2019-2022 [001/RID/2018/19]
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Decision support systems often involve taking into account many factors that influence the choice of existing options. Besides, given the expert's uncertainty on how to express the relationships between the collected data, it is not easy to define how to choose optimal solutions. Such problems also arise in sport, where coaches or players have many variants to choose from when conducting training or selecting the composition of players for competitions. In this paper, an objective fuzzy inference system based on fuzzy logic to evaluate players in team sports is proposed on the example of football. Based on the Characteristic Objects Method (COMET), a multi-criteria model has been developed to evaluate players on the positions of forwards based on their match statistics. The study has shown that this method can be used effectively in assessing players based on their performance. The COMET method was chosen because of its unique properties. It is one of the few methods that allow identifying the model without giving weightings of decision criteria. Symmetrical and asymmetrical fuzzy triangular numbers were used in model identification. Using the calculated derivatives in the point, it turned out that the criteria weights change in the problem state space. This prevents the use of other multi-criteria decision analysis (MCDA) methods. However, we compare the obtained model with the Technique of Order Preference Similarity (TOPSIS) method in order to better show the advantage of the proposed approach. The results from the objectified COMET model were compared with subjective rankings such as Golden Ball and player value.
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