Re: Classify Handwritten Digits

2014-01-28 Thread Chameera Wijebandara
Thanks Ted. Thanks, Chameera On Fri, Jan 24, 2014 at 11:12 PM, Ted Dunning ted.dunn...@gmail.com wrote: You can also put out lots of clusters and use cluster membership as the features for a classifier. There was a discussion here (or possibly on the dev@mahout list) on this topic

Re: How KMeans clustering works in Mahout 0.8?

2014-01-28 Thread Saeed Adel Mehraban
I see the package, but I couldn't find anything related to map-reduce. I wonder why! On Tue, Jan 28, 2014 at 4:14 AM, Andrew Musselman andrew.mussel...@gmail.com wrote: In the source code you could take a look in the org.apache.mahout.clustering.kmeans package to get a start, if you want to

Re: How KMeans clustering works in Mahout 0.8?

2014-01-28 Thread Suneel Marthi
Look at KMeansDriver.java in the specified package and trace thru the code. You should see both MR and non-MR versions of kmeans impl. On Tuesday, January 28, 2014 2:35 PM, Saeed Adel Mehraban s.ade...@gmail.com wrote: I see the package, but I couldn't find anything related to map-reduce.

RE: How KMeans clustering works in Mahout 0.8?

2014-01-28 Thread Yoonmin Nam
K-Means clustering works by using mahout.clustering.iterator package. In the iterator package, there is a classes called CIMapper and CIReducer. Both of them are used when we choose a method (-xm) as a mapreduce. Then, this mapper and reducer works for you! Thanks. -Original Message-

Why is Mean-Shift Clustering Deprecated?

2014-01-28 Thread robpd
Hi Using mahout-0.8 right now and noticed that mean-shift clustering is deprecated. Only thing I could find on it is at https://issues.apache.org/jira/browse/MAHOUT-1250. This seems to say that it is not being used much - right? Any other reasons it's deprecated (e.g. reliability)? Main

Mahout 0.9 Release

2014-01-28 Thread Suneel Marthi
Fixed the issues that were reported with Clustering code this past week, upgraded codebase to Lucene 4.6.1 that was released today. Here's the URL for the 0.9 release in staging:- https://repository.apache.org/content/repositories/orgapachemahout-1004/org/apache/mahout/mahout-distribution/0.9/

Re: Mahout 0.9 Release

2014-01-28 Thread Andrew Musselman
Looks good. +1 On Tue, Jan 28, 2014 at 8:07 PM, Andrew Palumbo ap@outlook.com wrote: a), b), c), d) all passed here. CosineDistance of clustered points from cluster-reuters.sh -1 kmeans were within the range [0,1]. Date: Tue, 28 Jan 2014 16:45:42 -0800 From:

Re: How KMeans clustering works in Mahout 0.8?

2014-01-28 Thread Saeed Adel Mehraban
Thank you for the details. So KMeans could be run in both map-reduce and non-mapreduce version and the decision will be made in driver, yes? On Tue, Jan 28, 2014 at 11:12 PM, Yoonmin Nam rony...@dgist.ac.kr wrote: K-Means clustering works by using mahout.clustering.iterator package. In the