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Mathematical modeling preselection
It's too general . Give me some restrictions.

For your reference, the forecast must have an objective quantitative relationship, and give a few examples.

Consider the relationship between the number of gold medals in the last five Olympic Games and gdp growth, the relationship between the number of gold medals in the Olympic Games and the number of gold medals in the World Championships, and the relationship between the number of gold medals in the Olympic Games and the results of qualifiers and qualifiers. You can also consider the impact on the retirement of well-known veterans.

It is worth mentioning that if we want to use the data of Beijing Olympic Games, we must consider domestic environmental factors. After all, there are too many gold medals in 5 1, which is hard to surpass. Of course, the most accurate thing is the possibility of getting gold one by one, but this is what the leaders of the Sports Commission do.

Of course, it can also be considered from the opponent's point of view, but the data will be more difficult to collect.