If you bring your data in the expected inputformat, than there's no need to subclass. You can just use those classes.
--sebastian Am 11.08.2011 02:02 schrieb "Charles McBrearty" <[email protected]>: > Hi, > > I am taking a look at running some of the recommender examples from Mahout in action on a data set that I have that uses strings as the ItemID's and it looks to me like the suggested way to do this is to subclass FileDataModel and then use FileIdMigrator to manage the String <-> Long mapping. > > This seems like a lot of complication to deal with what I would imagine is a pretty common use case. Is there something that I'm missing here? > > Thanks for any info that anyone can provide. > > -chuck
