[scikit-learn] Latent Semantic Analysis (LSA) and TrucatedSVD

Andy t3kcit at gmail.com
Sun Aug 28 12:20:45 EDT 2016

If you do "with_mean=False" it should be the same, right?

On 08/27/2016 12:20 PM, Olivier Grisel wrote:
> I am not sure this is exactly the same because we do not center the
> data in the TruncatedSVD case (as opposed to the real PCA case where
> whitening is the same as calling StandardScaler).
> Having an option to normalize the transformed data by sigma seems like
> a good idea but we should probably not call that whitening.

More information about the scikit-learn mailing list