A.I, Data and Software Engineering

# Tagfactorization

## build a simple recommender system with matrix factorization

We will build a recommender system which recommends top n items for a user using the matrix factorization technique- one of the three most popular used recommender systems. matrix factorization Suppose we have a rating matrix of m users and n items. The rating of user $$u_i$$ to item $$i_j$$ is $$r_{ij}$$. Similar to PCA, matrix factorization (MF) technique attempts to decompose a (very) large...

A.I, Data and Software Engineering

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