ratings.dat is the file you want. users.dat and movies.dat are metadata file, describing various facts about each user and genre data for each movie. The first column of ratings.dat is the user number, and the second column is the item number.
On Thu, Oct 20, 2011 at 3:41 PM, Yang <[email protected]> wrote: > in the recommendation examples > > https://cwiki.apache.org/confluence/display/MAHOUT/RecommendationExamples > > it mentions the "-i input_file " parameter, > > but the downloaded movie-lens dataset is a zip, and contains multiple > .dat files, which one should I use? > > Thanks > Yang > -- Lance Norskog [email protected]
