On Mon, Mar 23, 2015 at 07:56:33AM +0100, Michael Eickenberg wrote:
>     > I think it is somewhat different from cosine similarity.

>     Then you'll have to tell me how, because I am being dense and I don't see
>     the difference.

> Both are scalar products of two normalized data vectors.
> Pearson correlation is mean-centered, whereas cosine similarity generally
>  isn't.

Good point! Thanks for bringing it up,

Gaël

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