Algorithms

Predictive Insights anomaly detection algorithms use numerous statistical and analytics techniques to detect anomalies when Predictive Insights is sure that anomalous behavior is occurring.

Anomaly detection algorithms

Table 1. Anomaly detection algorithms
Name Description
Robust Bounds Detects an anomaly when the value of a metric deviates from the metric's baseline. The baseline is the normal operating range the algorithm dynamically maintains for a metric.
Flatline Detects an anomaly when the value of a metric that is normally variable becomes flat.
Variant/Invariant Detects an anomaly when the variance between a metric's high and low values reduces significantly.
Granger Finds causal relationships between metrics and detects an anomaly if that causal relationships changes.
Finite Domain Detects an anomaly when a metric value elevates to a level not reached previously.
Predominant Range Detects an anomaly when the variation in a metric value exceeds the range within which the metric normally varies.
Discrete Values For a metric that normally has a defined number of possible values, detects an anomaly when the probability of the current value is rare.