lmcinnes/umap

Document reproducibility guarantees

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#298 aperta il 25 set 2019

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Following up on the discussion here, it would be good to document how to get reproducible results with UMAP.

I think we should consider changing random_state in the UMAP constructor to a seed (e.g. 42, like the new transform_seed default) so that UMAP is reproducible by default.

We should document that users can set random_state to None to get faster results at the expense of reproducibility. In this mode there is no seed that would produce the same output due to the multithreading. (This was introduced in #294.)

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