public static void ItemKNNv2Test(double testSize = 0.125)
{
List <Rating> ratings = Tools.GetRatings(DefalultDirectory + "ratings.dat", "::");
Tools.UpdateIndexesToZeroBased(ratings);
var data = Tools.TrainTestSplit(ratings, testSize);
ItemKNNv2 knn = new ItemKNNv2();
//knn.TryTopN(data.Item1, data.Item2, 10, 10);
knn.TryTopN(data.Item1, data.Item2);
}
public static void ItemKNNv2Test()
{
List <Rating> baseRatings = Tools.GetRatings(BaseRatingFile);
List <Rating> testRatings = Tools.GetRatings(TestRatingFile);
Tools.UpdateIndexesToZeroBased(baseRatings);
Tools.UpdateIndexesToZeroBased(testRatings);
ItemKNNv2 knn = new ItemKNNv2();
//knn.TryTopN(data.Item1, data.Item2, 80, 10);
knn.TryTopN(baseRatings, testRatings);
}
