There are Mapper / Reducer pairs in org.apache.mahout.cf.taste.hadoop.item that would do the conversion on Hadoop. If you want something that's not on Hadoop, you would have to write your own code, but it's pretty easy.
On Tue, Apr 26, 2011 at 8:25 AM, Mathieu sgard <[email protected]>wrote: > Hello, > > I'm playing with mahout to discover it and I would like to cluster a sample > of customers. I have a preference matrix file (userID, ItemID, score) and I > would like to use clustering functions. How could I change this file into > VectorWritable/SequenceFile ? > > Thanks, > > Best Regards, >
