ABSOLUTE_CHANGE - StarTree Docs

Compares current time series to a baseline. If the absolute change is above a certain threshold, detect it as an anomaly.

Inputs

"targetProperty": "current": The data on which to perform detection. "targetProperty": "baseline": The data to use as a baseline. The inputs should have the same size.

Parameters

name	description	default value
`component.absoluteChange`	The absolute change threshold. If the absolute change when compared to the baseline is above this threshold, detect an anomaly.
`component.pattern`	Detect as an anomaly if the metric drop, rise or both directions. `UP`, `DOWN`, `UP_OR_DOWN`.	`UP_OR_DOWN`

Example

{
  "name": "root",
  "type": "AnomalyDetector",
  "params": {
    "type": "ABSOLUTE_CHANGE",
    "component.absoluteChange": "150",
    "component.offset": "DOWN",
    ...  # shared parameters
  }, 
  "inputs": [
    {    # baseline data
      "targetProperty": "baseline",               
      "sourcePlanNode": "baselineDataFetcher",
      "sourceProperty": "baselineOutput"
    },
    {    # current data
      "targetProperty": "current",                
      "sourcePlanNode": "currentDataFetcher",
      "sourceProperty": "currentOutput"
    }
  ]
}