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Radar chart showing OLS regression scores on time series anomaly detection metrics: E-F-5 at 0.6963, B-F-5 at 0.7335, and F1 at 0.9399, beating 21 deep learning methods on two of three metrics.

Linear beats deep for time series anomaly detection

Time series anomaly detection's deep learning SOTA is matched by OLS regression, scoring 0.9399 mean F1 across five datasets and beating 21 deep models on two of three metrics.

Lars Cornelissen · Aug 30, 2026