Re: org.apache.mahout.clustering.evaluation.RepresentativePointsMapper.mapPoint

2012-04-17 Thread Paritosh Ranjan
Its very difficult to think of the problem with only this much info. Can you try out few things: 1) Try out the same clustering with 0.7-snapshot. 2) Try out both standalone and cluster mode ( but unsetting/setting HADOOP_HOME ), for both 0.6 and 0.7-snapshot. Then at least we will know were

Mahout and PCA for a music analysis tool

2012-04-17 Thread Nicolas Pied
Hello, I would like to implement an application like Like.fm / Pandora (but more simple) that suggests musics close to a given one. I think extract a lot of information for each music file like the mood, the BPM, the style, etc. in order to define a matrice with a lot of columns. I

Re: Mahout and PCA for a music analysis tool

2012-04-17 Thread Ted Dunning
Nicolas, Are you replying to this? Or asking these questions? On Tue, Apr 17, 2012 at 11:03 AM, Nicolas Pied nicolas.p...@gmail.comwrote: Hello, I would like to implement an application like Like.fm / Pandora (but more simple) that suggests musics close to a given one. I think

Re: Mahout and PCA for a music analysis tool

2012-04-17 Thread Nicolas Pied
Is it a question ;-) Thanks Nicolas Le 17 avr. 2012 à 20:42, Ted Dunning ted.dunn...@gmail.com a écrit : Nicolas, Are you replying to this? Or asking these questions? On Tue, Apr 17, 2012 at 11:03 AM, Nicolas Pied nicolas.p...@gmail.comwrote: Hello, I would like to implement an

Re: Mahout and PCA for a music analysis tool

2012-04-17 Thread Ted Dunning
If you really want to recommend music that people will like, you have to start from the realization that most of musical appreciation is social, not auditory. This has been substantiated in controlled tests where as much as 60% of appreciation was driven by very weak social cues in a test. In my

Re: Mahout and PCA for a music analysis tool

2012-04-17 Thread Ted Dunning
Now that I have been all negative, if you want to go developing auditory features, look up music information retrieval. The ISMIR conferences have a wealth of information. http://www.ismir.net/ On Tue, Apr 17, 2012 at 11:03 AM, Nicolas Pied nicolas.p...@gmail.comwrote: Hello, I would

How to Test that Mahout Job is Running on Hadoop

2012-04-17 Thread Eli Finkelshteyn
Hi Folks, This sounds like a bit of a stupid question, but here goes anyway: I'm currently running ItemSimilarityJob https://builds.apache.org/job/Mahout-Quality/javadoc/org/apache/mahout/cf/taste/hadoop/similarity/item/ItemSimilarityJob.html. I've specified the input and output directories as

Re: How to Test that Mahout Job is Running on Hadoop

2012-04-17 Thread Sean Owen
The namenode is a component of HDFS, not Hadoop. Go to the Hadoop job tracker to see jobs! On Tue, Apr 17, 2012 at 5:01 PM, Eli Finkelshteyn iefin...@gmail.com wrote: Hi Folks, This sounds like a bit of a stupid question, but here goes anyway: I'm currently running ItemSimilarityJob

SLF4J Exception while running RecommenderJob

2012-04-17 Thread Devadas Mallya
Hi, I am trying to run the RecommenderJob Map/Reduce class. However I get an error saying SLF4J is incompatible with this binding. The command I am using is: bin/hadoop jar mahout-core-0.7-SNAPSHOT-job org.apache.mahout.cf.taste.hadoop.item.RecommenderJob