Set noise of multi-task observations to NaN

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Optimization at scale, powered by libEnsemble

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Set noise of multi-task observations to NaN #48

Closed AngelFP closed 2 years ago

AngelFP commented 2 years ago

Change the noise value from 0 to NaN in the MT algorithm. In this way, Ax/BoTorch will infer the noise level automatically from the observations. This is generally a better default. In the future, we could expose this parameter to the user.

RemiLehe commented 2 years ago

Thanks for this PR. It seems that this caused the automated tests to fail. Could you check why?

AngelFP commented 2 years ago

Should be fixed by #49 It's the same error that was reported by the libE guys.