The program takes as input ratings-dataset.tsv. The ratings file consists of userid , movie name and rating for that movie The file consists of one rating event per line. Each rating event is of the form: user_id\trating\tmovie_title
If you need to have a new dataset ,you must have it the this format user_id\trating\tmovie_title
INPUT: As a command line arguments you need to pass the following: python collabFilter.py ratingsFileName user1 user2 movieName k
OUTPUT: 1)The ratings file ---which is stored as a dictionary of dictionary 2)The similarity of user 1 and user 2 3)The nearest k neighbors 4)The predicted rating of the movieName