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The study was to find the grey correlation between the performances and 10 disciplines of men's decathletes with the help of the grey relational analysis. Data in the form of scores for 192 performances in the decathlon over 8500 points was collected and then subjected to grey relational analysis. The results indicate the 10 disciplines, can be classified into five factor sets, which the Percent Contributions...
Sports prediction is an important part of sports statistics. With the development of interdisciplinary integration, such as the computing technology and the gray system, etc, there are some flaws in the scopes of its theory exploring, applied research and methods. Using literature methods and statistics methods, the essay analyzed the characters and development tendency on sports prediction research...
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