Add option for negative preferences in ALS #119
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Allow negative confidence values to be passed in, signifying that the user disliked the item. This lets use set higher confidence values for the known negatives. Experiments here indicate setting known negatives to a higher confidence level slightly reduces p@10, but signifincantly reduces the likelihood of withheld negative items to be recommended: #114
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Allow negative confidence values to be passed in, signifying that the user disliked the item. This lets us set higher confidence values for the known negatives.
Experiments here indicate setting known negatives to a higher confidence level slightly reduces p@10, but signifincantly reduces the likelihood of withheld negative items to be recommended: #114