bmel:outlierCountOf¶
Category: Array & Statistics · Returns: bmel:integer
bmel:outlierCountOf(array: bmel:array<number>, threshold: bmel:number)
Description¶
Returns the number of elements in an array that deviate from the mean by more than (threshold x stddev). Uses the z-score method. Typical threshold values: 2.0 (95% range), 2.5 (98.8%), 3.0 (three-sigma rule, 99.7%).
Arguments¶
| Parameter | Type | Required | Description |
|---|---|---|---|
array | bmel:array<number> | ✅ | The array of numeric values to scan for outliers. |
threshold | bmel:number | ✅ | Number of standard deviations from the mean beyond which a value is considered an outlier. |
Example¶
bmel:outlierCountOf({batch:Response Payload}.$.latencies, 2.5)