noise_floor_separation
mcda.noise_floor_separation(scores, noise_floors, ranks=None)
Test every pair of tools against the per-metric noise floors.
For each unordered pair the function takes the largest native-unit score difference relative to the floor over the metrics that declare one. The pair is separated when that ratio reaches 1 on at least one metric. A pair that is comparable (has an observed floored score on both tools for some metric) but reaches the floor on no metric is recorded as indistinguishable.
Parameters
| Name | Type | Description | Default |
|---|---|---|---|
scores |
Array-like of shape (n_tools, n_metrics) in native units. |
required | |
noise_floors |
Sequence[float | None] | Length n_metrics floors in native units, None (or a non-positive value) where the card declares none. Pass beam.mcda.registry_context(...).noise_floors. |
required |
ranks |
Sequence[int] | None | Optional length n_tools ranks (1 is best). When given, the report names the top two tools and flags whether they are indistinguishable. |
None |
Returns
| Type | Description |
|---|---|
| NoiseFloorReport |