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# Table 2 List of binary similarity measures included in SimCAL

From: SimCAL: a flexible tool to compute biochemical reaction similarity

S. No. | Measure | Definition | Range |
---|---|---|---|

1. | Tanimoto | \( \frac{a}{\left(a+b\right)+\left(a+c\right)-c} \) | [0-1] |

2. | Dice | \( \frac{2a}{2a+b+c} \) | [0-1] |

3. | Ochiai | \( \frac{a}{\sqrt{\left(a+b\right)}\left(a+c\right)} \) | [0-1] |

4. | Simpson | \( \frac{a}{\min \kern0.5em \left(a+b,a+c\right)} \) | [0-1] |

5. | Russell and Rao | \( \frac{a}{a+b+c+d} \) | [0-1] |

6. | Sokal and Michener | \( \frac{a+d}{a+b+c+d} \) | [0-1] |

7. | Faith | \( \frac{a+0.5d}{a+b+c+d} \) | [0-1] |

8. | Gower and Legendre | \( \frac{a+d}{a+0.5\left(b+c\right)+d} \) | [0-1] |

9. | Roger and Tanimoto | \( \frac{a+d}{a+2\left(b+c\right)+d} \) | [0-1] |