elasticsearch-js/docs/reference/api/RankEvalRankEvalMetricExpectedReciprocalRank.md

# `RankEvalRankEvalMetricExpectedReciprocalRank` [interface-RankEvalRankEvalMetricExpectedReciprocalRank]

| Name | Type | Description |
| - | - | - |
| `maximum_relevance` | [integer](./integer.md) | The highest relevance grade used in the user-supplied relevance judgments. |