# `AggregationsMedianAbsoluteDeviationAggregation` [interface-AggregationsMedianAbsoluteDeviationAggregation]

| Name | Type | Description |
| - | - | - |
| `compression` | [double](./double.md) | Limits the maximum number of nodes used by the underlying TDigest algorithm to `20 * compression`, enabling control of memory usage and approximation error. |