yes! thank you very much:-) > 在 2015年4月2日，下午7:13，Sean Owen <so...@cloudera.com> 写道： > > Right, I asked because in your original message, you were looking at > the initialization to a random vector. But that is the initial state, > not final state. > > On Thu, Apr 2, 2015 at 11:51 AM, lisendong <lisend...@163.com> wrote: >> NO， I’m referring to the result. >> you means there might be so many zero features in the als result ？ >> >> I think it is not related to the initial state, but I do not know why the >> percent of zero-vector is so high(50% around) > >>> I looked into the ALS.scala, the user and product factors seems to be >>> initialized by a gaussian distribution, so it should not be all-zero vector, >>> right?
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