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I'm creating a recommender system using an unsupervised nearest neighbors model to suggest similar publishers for a given publisher, advertiser combination. I'm wondering how to evaluate the model I create when I don't have label information. In other words, I don't have any ground truth data.

What can I do here?

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  • $\begingroup$ were you able to figure out a way to evaluate it? $\endgroup$ – user_12 Jan 3 at 21:40
  • $\begingroup$ Nope I had no luck. $\endgroup$ – Glassjawed Jan 8 at 0:29

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