Improved greedy-sampling acquisition function using an ALDistance.
The score is the minimum, over already evaluated reference points, of the product of input-space distance and output-space distance.
Creates a new distance-aware iGS acquisition function.
Arguments
- surrogate
(
NULL| mlr3mbo::SurrogateLearner)
Surrogate used for mean predictions.- al_distance
(ALDistance |
NULL)
Distance used for input-space scores.
See also
Other Acquisition Function:
AcqFunctionDist,
AcqFunctionDistGSx,
AcqFunctionDistIDEAL,
AcqFunctionGSy,
SurrogateNull