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PCA is a pretty okay method for dimensionality reduction. Latent Dirichlet allocation is pretty good too. It depends on what you're trying to do and how the dat
by languagehacker 12y ago
PCA is a pretty okay method for dimensionality reduction. Latent Dirichlet allocation is pretty good too. It depends on what you're trying to do and how the data is distributed in N-dimensional space.
- misiti3780 12y agodont forget latent semantic indexing :)