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Results tagged with recommender-system
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user 79925
A recommendation engine tries to predict how much a user will enjoy certain goods (movies, books, songs, etc) and makes recommendations. They are often used by online vendors to suggest new purchases.
1
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0
answers
523
views
Why RMSE is too small?
Sorry, I'm a newbie at recommender systems, but I wrote few lines of code using the Apache Mahout library.
My dataset is pretty small, 500x100 with 8102 cells known.
The dataset is actually a subse …
- 11
0
votes
0
answers
763
views
Non-negative matrix factorization in recommender systems
As I understand, in NMF we should have our three matrices elements non-negative. But I can't understand how to do it so far. Shouldn't we just initialize our factor matrices at the start with random p …
- 11