A combined score aggregates scaled outputs from multiple detectors into one overall score for each record. The central decision is how strongly an extreme score should dominate, especially when detectors disagree. section 14.6
Agreement versus dominance
One record has four feature scores of 4.1, 4.2, 3.3, and 3.5; another has 15.1, 0.8, 0.3, and 1.1. The first shows broad unusualness, while the second depends on whether one extreme score should outweigh three ordinary scores. With multiple detectors, agreement among high scores increases confidence, but an isolated high score may represent either a missed anomaly or an unreliable detector. section 14.6
