Kendall Tau Calculator
Calculate Kendall tau from concordant and discordant pairs.
Kendall tau
0.333333
Total Pairs45
Kendall tau vs Concordant Pairs
公式
## Kendall Tau **tau = (C - D)/[n(n-1)/2]** Based on concordant vs discordant pairs.
计算示例
30 concordant, 15 discordant, n=10.
- 01tau = 15/45 = 0.333
常见问题
Vs Spearman?
Kendall uses pairs; better for small samples.
Range?
-1 to +1.
Strong?
|tau| > 0.5 is strong.
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