Thanks for the answer :) Well right now i have a ratings.dat file, what i have to do? convert it as you said in CSV with :: instead of , ? Thanks Il giorno 20/nov/2010, alle ore 11.12, Sean Owen ha scritto:
> It's the exact same process -- what does "doesn't work" mean? what error? > > The process of converting the data to CSV is of course entirely different. > You would not apply that part to such a different input. Just use a text > processing tool to convert GroupLens's file to replace "::" with "," and > remove the last column. > > On Sat, Nov 20, 2010 at 10:06 AM, Stefano Bellasio < > [email protected]> wrote: > >> Hi, i want to know which are the correct steps in order to use my grouplens >> data set (10M ratings) with Hadoop and RecommenderJob, with pseudo or not >> pseudo item based recommender. Right now i tried to follow the example of >> Wikipedia data set saw in Mahout in Action, but doesn't works or i don't >> understood how i can use RecommenderJob with the data set. Someone can >> explan something about this? Thanks :) Stefano
