How can we determine the number of features that we account in collaborative filtering?

Tom_Zhang · June 16, 2023, 12:48pm

How can we determine the number of features that we account in collaborative filtering? As I recall, the cost function takes k number of w’s, but how do we exactly determine a best value of k (the number of feature X)?

Best Regards,
Tom Zhang

TMosh · June 16, 2023, 9:36pm

Experimentation is the method.

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How can we determine the number of features that we account in collaborative filtering?

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