AnomalyDetection

AnomalyDetection[{example1,example2,…}] generates an AnomalyDetectorFunction[…] based on the examples given.

AnomalyDetection[LearnedDistribution[…]] generates an anomaly detector based on the given distribution.

AnomalyDetection[<|True->{example11,example12,…},False->{example21,…}|>] can be used to indicate which examples should be considered anomalous.

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