Mean Reciprocal Rank (MRR)
- MRR is one of Retrieval Metrics which is ranking based
- It calculated the average of the reciprocal ranks of the first relevant items
- Intuitionally, it says how soon you can find the relevant item
- It is a very intuitive metrics, like 0.33 MRR means, on average the first relevant item appears in
rank
MRR Equation