reply: I want to contribute MLlib two quality measures(ARHR and HR) for top N recommendation system. Is this meaningful?

of recommendation system include precision, coverage, diversity… Most measures can be found in the book(Recommender_systems_handbook) 发件人: Xiangrui Meng [mailto:men...@gmail.com] 发送时间: 2014年8月26日 3:28 收件人: Lizhengbing (bing, BIPA) 抄送: dev@spark.apache.org 主题: Re: I want to contribute MLlib two quality

I want to contribute MLlib two quality measures(ARHR and HR) for top N recommendation system. Is this meaningful?

Hi: In paper Item-Based Top-N Recommendation Algorithms(https://stuyresearch.googlecode.com/hg/blake/resources/10.1.1.102.4451.pdf), there are two parameters measuring the quality of recommendation: HR and ARHR. If I use ALS(Implicit) for top-N recommendation system, I want to check it's

Please change instruction about Launching Applications Inside the Cluster

The instruction address is in http://spark.apache.org/docs/0.9.0/spark-standalone.html#launching-applications-inside-the-cluster or http://spark.apache.org/docs/0.9.1/spark-standalone.html#launching-applications-inside-the-cluster Origin instruction is: ./bin/spark-class