Model R-squared Metric — metric_model_r2 • celecx

Returns the R-squared (coefficient of determination) of the surrogate's predictions on test data.

Usage

metric_model_r2(archive, surrogate = NULL, test_data, target, ...)

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.

Value

numeric(1) The R-squared value.