[心得] 其實澳洲很強中國很弱
看板Olympics_ISG作者AirOctopus (AirOctopus)時間3月前 (2024/08/11 13:47)推噓8(34推 26噓 178→)留言238則, 68人參與討論串1/2 (看更多)
現在很多人用金牌來排名,但澳洲人口
大概中國2%左右,游泳金牌卻是中國
3.5倍,其成就顯然不能相比。
有人用總獎牌排名,但如果有個比賽,
A國1金、B國1銀1銅,B國總獎牌會比
A國多,感覺也怪怪的,加權分也不知
怎麽衡量。
還有人說可用人均獎牌來看,但獎牌數
量是固定的,再多人也只能奪一面,所
以也不太符合現實。
而我看到了一個非常合理的排名辦法:
人口數預期獎牌vs 實際獎牌
https://www.theguardian.com/sport/article/2024/aug/10/paris-olympics-2024-how-does-medal-tally-work-order
簡單講就是假設所有人能力一樣,那人
口數是別國兩倍的話,你的talent pool
是別人兩倍,那奪金機率應該也是別國
兩倍。
於是就可以依照人口數,算出每國「
應得」獎牌數的期望值,然後比較「
實際」得到的獎牌數,如果機率越低越
難達成,代表國家越強、排名就越高。
比如澳洲人口那麼少獎牌很多,顯然很
猛、中國那麼多人獎牌卻那麼少顯然很
爛,這個model完美的詮釋了這一點。
(但又不像人均獎牌一樣不合現實)
網站有統計到8/9的數字,前五名是
1. 澳洲
2. 法國
3. 英國
4. 美國
5. 紐西蘭
(韓國第8、日本第11、中國倒數第8)
此法甚妙,不會因人口而讓國家得利或
不得利,又能相對完整的顯示全國體育
能量。
(附上2020排名)
https://i.imgur.com/7jBr8p5.jpeg
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