gistfile1.txt

	public static void user_recommender_5(DataModel model) {
		try { 
			final int neighbours = 3;
			RandomUtils.useTestSeed(); 
			RecommenderEvaluator evaluator = new AverageAbsoluteDifferenceRecommenderEvaluator();
			RecommenderBuilder builder = new RecommenderBuilder() {
				@Override 
				public Recommender buildRecommender(DataModel model) throws TasteException { 

					// TanimotoCoefficientSimilarity ignores pref values
					UserSimilarity similarity = new CachingUserSimilarity( new TanimotoCoefficientSimilarity(model), model);

					UserNeighborhood neighborhood = new NearestNUserNeighborhood(neighbours, similarity, model); 
					return new GenericUserBasedRecommender(model, neighborhood, similarity);
				}
			};
			double score = evaluator.evaluate( builder, null, model, default_eval_ratio, default_eval_subset); 
			System.out.println("u5: "+score+"\n\n");
		} catch (Exception e ) {
			System.out.println("Something awful happened. No, really! It went like this: "+ e);
		}
	}