Re: ALS Rating Object

Hi Joseph, I think about converting IDS but there will be birthday problem. The probability of a Hash Collision is important for me because of the user number. I don't know how can I modify ALS to use Integer. yasemin 2015-06-04 2:28

Re: ALS Rating Object

Hi Yasemin, If you can convert your user IDs to Integers in pre-processing (if you have < a couple billion users), that would work. Otherwise... In Spark 1.3: You may need to modify ALS to use Long instead of Int. In Spark 1.4: spark.ml.recommendation.ALS (in the Pipeline API) exposes ALS.train a