示例#1
0
        static void Main(string[] args)
        {
            string      path      = AppDomain.CurrentDomain.BaseDirectory + @"friendships.reviews.txt";
            string      data      = System.IO.File.ReadAllText(path);
            List <User> userList  = new List <User>();
            int         idCounter = 0;

            Control.UseNativeMKL();
            Control.UseMultiThreading();

            string[] text = data.Split("\r\n");

            for (int i = 0; i < text.Length; i += 5)
            {
                User u = new User(idCounter,
                                  text[i].Split(" ")[1],
                                  text[i + 1].TrimStart("friends: ".ToCharArray()).TrimStart().Split("\t"),
                                  text[i + 2].Split("summary: ")[1],
                                  text[i + 3].Split("review: ")[1]);
                userList.Add(u);
                idCounter++;
            }

            Matrix <double> diagonalMatrix;

            Matrix <double> associationMatrix = FillMatrix(userList, out diagonalMatrix);

            Matrix <double> laplacianMatrix = diagonalMatrix - associationMatrix;

            Evd <double> eigen         = laplacianMatrix.Evd(Symmetricity.Symmetric);
            var          eigenVectors  = eigen.EigenVectors.ToRowArrays();
            var          sortedVectors = eigenVectors.OrderBy(x => x[1]).ToList();

            List <List <double[]> > communities = MaxCutCommunity(9, userList, eigenVectors.ToList());

            Classifier    classifier   = new Classifier();
            List <double> reviewScores = new List <double>();

            classifier.Classify(userList);

            Dictionary <User, string> userDic = classifier.WillUsersBuyProduct(userList);

            Console.ReadKey();
        }
示例#2
0
        static void Main(string[] args)
        {
            Control.UseNativeMKL();
            Control.UseMultiThreading();

            string buyResult = AppDomain.CurrentDomain.BaseDirectory + "buyResult.txt";
            string path      = AppDomain.CurrentDomain.BaseDirectory + @"friendships.reviews.txt";
            string data      = System.IO.File.ReadAllText(path);

            string[] text = data.Split("\r\n");

            string pathResults = AppDomain.CurrentDomain.BaseDirectory + @"friendships.reviews.results.txt";
            string dataResults = File.ReadAllText(pathResults);

            string[] textResults = dataResults.Split("\r\n");

            WITools     tools    = new WITools();
            List <User> userList = tools.InitUsers(text);
            //List<double[]> sortedVectors = tools.GetEigenVectors(userList).OrderBy(x => x[1]).ToList();
            //List<List<double[]>> communities = tools.MaxCutCommunity(9, sortedVectors);
            var ev = tools.GetEigenVectors(userList);

            int index = 0;

            foreach (User user in userList)
            {
                user.SetEV(ev[index]);
                index++;
            }

            tools.AssignCommunities(9, userList);

            foreach (User user in userList)
            {
                Console.WriteLine(user.ToString() + " - IS IN COMMUNITY: " + user.communityID);
            }

            Classifier classifier = new Classifier();

            classifier.Classify(userList);
            Dictionary <User, string> userDic = classifier.WillUsersBuyProduct(userList);

            StreamWriter sw = new StreamWriter(buyResult);
            int          i  = 3;

            foreach (var entry in userDic)
            {
                string assertionValue = "";
                if (textResults[i].Split("purchase: ")[1] == "yes")
                {
                    if (userDic[entry.Key] == "Will buy product!")
                    {
                        assertionValue = $"{entry.Key} assertion is CORRECT";
                        Console.WriteLine($"{entry.Key} assertion is CORRECT");
                    }
                    else
                    {
                        assertionValue = $"{entry.Key} assertion is NOT CORRECT";
                        Console.WriteLine($"{entry.Key} assertion is NOT CORRECT");
                    }
                }
                else if (textResults[i].Split("purchase: ")[1] == "no")
                {
                    if (userDic[entry.Key] == "Will not buy product!")
                    {
                        assertionValue = $"{entry.Key} assertion is CORRECT";
                        Console.WriteLine($"{entry.Key} assertion is CORRECT");
                    }
                    else
                    {
                        assertionValue = $"{entry.Key} assertion is NOT CORRECT";
                        Console.WriteLine($"{entry.Key} assertion is NOT CORRECT");
                    }
                }
                sw.WriteLine(entry.Key + " - " + entry.Key.communityID + " - " + userDic[entry.Key] + " - " + assertionValue);
                i = i + 8;
            }

            Console.ReadKey();
        }