PredictorMeasurements

PredictorMeasurements[predictor,testset,prop] gives measurements associated with the property prop when predictor is evaluated on testset.

PredictorMeasurements[predictor,testset] yields a measurement report that can be applied to any property.

PredictorMeasurements[data,…] use predictions data instead of a predictor.

PredictorMeasurements[…,{prop1,prop2,…}] gives properties prop1, prop2, etc.

Please visit the official Wolfram Language Reference for more details and examples on core symbols.