An example of predicting ratings with SVD in a collaborative filtering recommendation system

How to convert SVD to k dimension and make the prediction

Annie Wang
Towards Data Science
4 min readMar 30, 2021

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Photo by Georg-Johann from Wiki

We know that there are cons with SVD to make a prediction in reality, for example, it can’t predict if there is even a NaN in the dataset, but as this is the starting point of collaborative filtering and I want to…

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