Table 8 The commonly used pairs of couplet herbs in the formulae
Herbs (LHS, X) | Number of formulae | Herb (RHS, Y) | Number of formulae | Support (X) (%) | Confidence (X => Y) (%) | |
|---|---|---|---|---|---|---|
Tai Zi Shen | 22 | → | Bai Zhu | 19 | 19.79 | 86.36 |
Bai Zhu | 45 | → | Huang Qi | 38 | 39.58 | 84.44 |
Bai Zhu | 45 | → | Fu Ling | 35 | 36.46 | 77.78 |
Bai Hua She She Cao | 25 | → | Fu Ling | 19 | 19.79 | 76.00 |
Bai Hua She She Cao | 25 | → | Yi Yi Ren | 17 | 17.71 | 68.00 |
Yi Yi Ren | 25 | → | Fu Ling | 17 | 17.71 | 68.00 |
E Zhu | 20 | → | Shan Ci Gu | 12 | 12.50 | 60.00 |