diff --git a/baybe/acquisition/acqfs.py b/baybe/acquisition/acqfs.py index 8d232f197..77ba97f7b 100644 --- a/baybe/acquisition/acqfs.py +++ b/baybe/acquisition/acqfs.py @@ -265,12 +265,12 @@ class UpperConfidenceBound(AcquisitionFunction): beta: float = field(converter=float, validator=ge(0.0), default=0.2) """Trade-off parameter for mean and variance. - * A value of zero makes the acquisition mechanism consider the posterior predictive - mean only, resulting in a risk-neutral behavior. - * Values larger than zero induce risk-seeking behavior, shifting the focus - more and more toward exploration. - * Values smaller than zero lead to favoring risk-averse decisions (a.k.a. "safe - bets"), with purely exploitative behavior in the limit. + * ``beta > 0``: Rewards uncertainty, takes more risk. + Limit ``inf``: Pure exploration + * ``beta < 0``: Punishes uncertainty, takes less risk. + Limit ``-inf``: Pure exploitation + * ``beta = 0``: Discards knowledge about uncertainty, i.e. neither rewards nor + punishes it, is risk-neutral. """