mock 2014 : PCA for count data algorithm

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mock 2014 : PCA for count data algorithm

hi,

I don't understand how to come up with the algorithm shown for the PCA problem. In ALS we alternate between optimizing W and Z here we optimize W once then Z once.

Also just to clarify how is complexity found in this case?

thanks a lot!

9 Jan '21 ·

anonymous

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