RankingMetrics

class rsdiv.evaluation.RankingMetrics[source]

Bases: object

Ranking metrics to evaluate the recommended quality: DCG/nDCG/MAP.

classmethod nDCG(item2relevance: Callable[[T], float], relevant_items: Sequence[T], recommended_items: Sequence[T], position: int, exponential: bool = False) → float[source]: Normalized Discounted Cumulative Gain.