With the United States retain its position as the top medal-winning nation at last year's Olympic Games in Rio, the most greatly desirable event came to the end. Is the result the same as your expectation? Is it possible to predict how many medals each nation will win? And what is it about a nation that allows it to produce Olympic medal-winning athletes? Even though the performances of individual athletes can vary unpredictably, we reasoned, there might be an overall relationship between a country's fundamental characteristics (its size and amount of wealth, for instance) and the number of medals it would likely take home. First, considering the past Olympic success, we developed a factor model with its weight in achievement of Games calculated by Grey Prediction Model. Based on this model, we chose china for further analysis and found that there is a link between them but not obvious.
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