Medianstop Assessor on NNI
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Median Stop
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Medianstop is a simple early stopping rule mentioned in this `paper <https://static.googleusercontent.com/media/research.google.com/en//pubs/archive/46180.pdf>`__. It stops a pending trial X after step S if the trial’s best objective value by step S is strictly worse than the median value of the running averages of all completed trials’ objectives reported up to step S.