秩相關係數(Coefficient of Rank Correlation),又稱等級相關係數,是將兩要素的樣本值按數據的大小順序排列位次,以各要素樣本值的位次代替實際數據而求得的一種統計量。它是反映等級相關程度的統計分析指標,常用的等級相關分析方法有Spearman相關係數和Kendall相關係數等。
基本介紹
- 中文名:秩相關係數
- 外文名:Coefficient of Rank Correlation
- 定義:反映等級相關程度的統計分析指標
- 別稱:等級相關係數
- 學科:統計學
簡介
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計算方法
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示例
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相關檢驗
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n | 顯著水平α | 顯著水平α | n | 顯著水平α | 顯著水平α |
0.05 | 0.01 | 0.05 | 0.01 | ||
4 | 1.000 | -- | 16 | 0.425 | 0.601 |
5 | 0.900 | 1.000 | 18 | 0.399 | 0.564 |
6 | 0.829 | 0.943 | 20 | 0.377 | 0.534 |
7 | 0.714 | 0.893 | 22 | 0.359 | 0.508 |
8 | 0.643 | 0.833 | 24 | 0.343 | 0.485 |
9 | 0.600 | 0.783 | 26 | 0.329 | 0.465 |
10 | 0.564 | 0.746 | 28 | 0.317 | 0.448 |
12 | 0.456 | 0.712 | 30 | 0.306 | 0.432 |
14 | 0.456 | 0.645 | -- | -- | -- |