US Patent 11074514 Confidence intervals for anomalies in computer log data

Anomaly scores for respective message types in computer log data and confidence intervals for respective anomaly scores are calculated based on a number of appearances of respective message types in a plurality of models generated from a historical set of computer log data. Respective models of the plurality of models can have at least a portion of the historical set of computer log data excluded from the respective models. Respective anomaly scores and respective confidence intervals can be applied to a new set of log data to identify and troubleshoot unusual log data events.