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Take into account the fact that not all users have seen the same films only

Ideas to improve Criticker and new feature requests, as well as announcements about new enhancements.
uvlalid
Posts: 1
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Your TCI: na
Joined: Tue May 15, 2018 6:21 pm

Take into account the fact that not all users have seen the same films only

Postby uvlalid » Thu Jan 10, 2019 3:00 pm

Hi all. I'm not sure if criticker's algorithm already works like this or if it's been suggested already, but I think that the algorithm should take into account the fact that not all users have seen the same films and only those films.

To do this, I propose that when calculating the TCI of a user, only the films that both users have seen are used in the equation. So instead of calculating the percentile scores of films based on all the films seen by a user, the percentiles should be based only on all the films both users have in common.

To give an example scenario, imagine there are two users:

User 1
Films watched - Score
Film A - 50
Film B - 0
Film C - 100

User 2
Films watched - Score
Film A - 100
Film B - 50
Film D - 0

Using my suggested system to calculate the TCI of User 2 for User 1, only Films A and B will be used which for both users will have percentile scores of 100 and 0 respectively in that case.

mpowell
Posts: 2958
1137 Ratings
Your TCI: na
Joined: Fri Sep 09, 2005 10:22 am

Re: Take into account the fact that not all users have seen the same films only

Postby mpowell » Tue Jan 15, 2019 1:51 pm

Hi! Yes, actually we do this already. Only the films in common are considered when building the TCI :)

You can read more about that here: https://www.criticker.com/explain/

Thanks for joining the forum!!


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