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If you treat the number of ratings as an indicator of quality, you need to account for the time the item has been available for rating as well. Otherwise you un
by ntoshev 18y ago
If you treat the number of ratings as an indicator of quality, you need to account for the time the item has been available for rating as well. Otherwise you underestimate newer items.
- anewaccountname 18y agoNot just time available but also units sold; if you are looking for a niche item, you don't expect a lot of ratings.