Hit Rate
Summary
The ratio of user hits divided by the total number of users.
Description
The ratio of user hits divided by the total number of users (user hit: a user that has accessed at least one service that is also a personal recommendation). The metric is expressed by the formula:
Output
Type | Float |
---|---|
Min | 0 |
Max | + |
info
A value of 0 indicates that no user hits occurred.
Prerequisites:
- all available recommendations by registered users
- all available users
Process Flow:
-
Retrieve user-service association
For each user get the recommended services and the services the user accessed "services" files accordingly
-
Calculate hits
Check if the user has at least one accessed service in recommendations. If yes increase number of hits by one
-
Calculate ratio
Divide user hits by the total number of users