Lee, Tae JGottschlich, Justin ETatbul, NesimeMetcalf, EricZdonik, Stan2023-05-222023-05-222018-01-012020-12-18https://repository.upenn.edu/handle/20.500.14332/8494Classical anomaly detection is principally concerned with point- based anomalies, anomalies that occur at a single data point. In this paper, we present a new mathematical model to express range- based anomalies, anomalies that occur over a range (or period) of time.Working Paper