Returns the root mean squared error of the surrogate's predictions on test data.
Arguments
- archive
(bbotk::ArchiveBatch) The archive (ignored for this metric).
- surrogate
(mlr3mbo::Surrogate) The fitted surrogate model.
- test_data
(
data.table) Test data with features and target column.- target
(
character(1)) Target column name in test_data.- ...
Ignored.