Re: Slope one algorithm performance

2014-08-23 Thread aman chourasia
Sebastian Schelter ssc.open at googlemail.com writes: In Mahout 0.9, we will remove Slope One recommenders from the codebase. On 08.12.2013 16:03, Ted Dunning wrote: Use a better recommender. Slope one is just there for completeness. Sent from my iPhone On Dec 8, 2013,

Re: Slope one algorithm performance

2014-08-23 Thread Ted Dunning
On Fri, Aug 22, 2014 at 11:52 PM, aman chourasia aman.choura...@gmail.com wrote: Sebastian Schelter ssc.open at googlemail.com writes: In Mahout 0.9, we will remove Slope One recommenders from the codebase. On 08.12.2013 16:03, Ted Dunning wrote: Use a better recommender. Slope one

Slope one algorithm performance

2013-12-08 Thread Siddharth Patnaik
I am building a slope one based recommender. The system has 40 million users and 1 million items. Each user has rated around 10 items. The deviation matrix is calculated as part of batch processing and is loaded in memory ( putting into a distributed cache) The issue i am facing is performance at

Re: Slope one algorithm performance

2013-12-08 Thread Ted Dunning
Use a better recommender. Slope one is just there for completeness. Sent from my iPhone On Dec 8, 2013, at 2:24, Siddharth Patnaik spatnai...@gmail.com wrote: What should be done to improve the runtime performance?