Re: Re: Re: how to call recommend method from ml.recommendation.ALS

2017-03-15 Thread lk_spark
Tank you , that's what I want to confirm. 2017-03-16 lk_spark 发件人:Yuhao Yang <hhb...@gmail.com> 发送时间:2017-03-16 13:05 主题:Re: Re: how to call recommend method from ml.recommendation.ALS 收件人:"lk_spark"<lk_sp...@163.com> 抄送:"任弘迪"<ryan.hd@gmail.com&

Re: Re: how to call recommend method from ml.recommendation.ALS

2017-03-15 Thread Yuhao Yang
> how can I do the samething as mllib when I use ml. > 2017-03-16 > -- > lk_spark > -- > > *发件人:*任弘迪 <ryan.hd@gmail.com> > *发送时间:*2017-03-16 10:46 > *主题:*Re: how to call recommend method from ml.recommendatio

Re: Re: how to call recommend method from ml.recommendation.ALS

2017-03-15 Thread lk_spark
<ryan.hd@gmail.com> 发送时间:2017-03-16 10:46 主题:Re: how to call recommend method from ml.recommendation.ALS 收件人:"lk_spark"<lk_sp...@163.com> 抄送:"user.spark"<user@spark.apache.org> if the num of user-item pairs to predict aren't too large, say millions, you could t

Re: how to call recommend method from ml.recommendation.ALS

2017-03-15 Thread 任弘迪
if the num of user-item pairs to predict aren't too large, say millions, you could transform the target dataframe and save the result to a hive table, then build cache based on that table for online services. if it's not the case(such as billions of user item pairs to predict), you have to start