> On Jun 30, 2021, at 04:20, Francois Berenger <mli...@ligand.eu> wrote:
> 
> On 29/06/2021 12:26, Greg Landrum wrote:
>> Hi Leon,
>> You can convert the tanimoto distance to similarity, but the formula
>> is:
>> Similarity = 1 - Distance
> 
> In other words:
> 
> Tanimoto_distance = 1.0 - Tanimoto_score

As a side note, Rogers and Tanimoto (1960) define their distance as

 distance =  - log_2 (similarity)

The Jaccard distance is 1 - similarity

https://en.wikipedia.org/wiki/Jaccard_index#Other_definitions_of_Tanimoto_distance

Yes, this confusing set of terms is an annoying nuisance.


                                Andrew
                                da...@dalkescientific.com




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