HitRate
- class rectools.metrics.classification.HitRate(k: int)[source]
Bases:
SimpleClassificationMetric
HitRate calculates the fraction of users for which the correct answer is included in the recommendation list.
- The HitRate equals to
1 if tp > 0, otherwise 0
where tp
is the number of relevant recommendations among the firstk
items in recommendation list.
- Parameters
k (int) – Number of items in top of recommendations list that will be used to calculate metric.
- Inherited-members
Methods
calc
(reco, interactions)Calculate metric value.
calc_from_confusion_df
(confusion_df)Calculate metric value from prepared confusion matrix.
calc_per_user
(reco, interactions)Calculate metric values for all users.
calc_per_user_from_confusion_df
(confusion_df)Calculate metric values for all users from prepared confusion matrix.
Attributes
- The HitRate equals to