MMD_4c_LatentFactor

deal more generally with the problem of decomposing very large matrices into products of matrices with at least one small dimension. The small dimension corresponds to the hidden factors like movie genre.

more on svd

how to query

relation to eigen-decomposition

drabacks

CUR

Latent factor model

netflix prize

local and global effects

rmse of various methods

Latent factor RS

model

differ with svd

svd需要矩阵A的元素都有，不能有missing value，但是latent factor analysis没有这些要求。

finding latent factor