Exemplo n.º 1
0
        public void TrainDistributedMachines()
        {
            // set parameters
            for (int i = 0; i < _agents.Count; i++)
            {
                _agents[i].GetMachine()._lamda = 0.8;
            }

            for (int i = 0; i < _agentNum; i++)
            {
                for (int j = 0; j < _agentNum; j++)
                {
                    if (_adjacency[i, j] == 1)
                    {
                        _agents[i].AddNeighbor(_agents[j]);
                    }
                }
            }

            for (int t = 0; t < _iterationTime; t++)
            {
                for (int i = 0; i < _agentNum; i++)
                {
                    _agents[i].SetValue(_dataGnr.Calc(_agents[i].GetPos()));
                }

                for (int i = 0; i < _agentNum; i++)
                {
                    _agents[i].Train();
                }
            }
        }
Exemplo n.º 2
0
        public OneDimDataTester(KernelRegression machine = null)
        {
            _dataGnr = new OneDimDataGenerator();
            _rnd     = new Random();

            _trainDataX = new double[_trainDataSize][];
            _trainDataY = new double[_trainDataSize];

            for (int i = 0; i < _trainDataSize; i++)
            {
                _trainDataX[i]    = new double[1];
                _trainDataX[i][0] = 2 * _rnd.NextDouble() - 1.0;
            }

            _trainDataY = _dataGnr.Calc(_trainDataX);

            if (machine == null)
            {
                _regressionMachine = new KernelRegression();
            }
            else
            {
                _regressionMachine = machine;
            }
        }
Exemplo n.º 3
0
        public DistributedOneDimDataTrainer()
        {
            _agentNum = _trainDataSize;

            _adjacency = new int[_agentNum, _agentNum];
            _dataGnr   = new OneDimDataGenerator();
            _rnd       = new Random();

            _trainDataX = new double[_trainDataSize][];
            _trainDataY = new double[_trainDataSize];

            _agents = new List <KernelAgent>();

            _centerMachine = new KernelRegression();

            for (int i = 0; i < _agentNum; i++)
            {
                _trainDataX[i]    = new double[1];
                _trainDataX[i][0] = 2 * _rnd.NextDouble() - 1.0;

                _agents.Add(new KernelAgent(_trainDataX[i]));
            }

            _trainDataY = _dataGnr.Calc(_trainDataX);

            Init();
        }
Exemplo n.º 4
0
        public void Test()
        {
            double[][] testDataX    = new double[_testDataSize][];
            double[]   testDataY    = new double[_testDataSize];
            double[]   testDataRefY = new double[_testDataSize];

            for (int i = 0; i < _testDataSize; i++)
            {
                testDataX[i]    = new double[1];
                testDataX[i][0] = -1.0 + (double)((2 * i)) / (double)(_testDataSize);
            }

            testDataY    = _dataGnr.Calc(testDataX);
            testDataRefY = _regressionMachine.Predict(testDataX);

            DataAnalyzer analyzer = new DataAnalyzer();

            double[] err = analyzer.GetDifference(testDataY, testDataRefY);

            double mean     = analyzer.Mean(err);
            double variance = analyzer.Variance(err);

            Console.WriteLine("testDataX:");
            for (int i = 0; i < testDataX.Length; i++)
            {
                Console.Write(testDataX[i][0] + ",");
            }
            Console.Write("\n");
            Console.Write("\n");

            Console.WriteLine("testDataY:");
            for (int i = 0; i < testDataY.Length; i++)
            {
                Console.Write(testDataY[i] + ",");
            }
            Console.Write("\n");
            Console.Write("\n");

            Console.WriteLine("testDataRefY:");
            for (int i = 0; i < testDataRefY.Length; i++)
            {
                Console.Write(testDataRefY[i] + ",");
            }
            Console.Write("\n");
            Console.Write("\n");

            Console.WriteLine("testDataError:");
            for (int i = 0; i < err.Length; i++)
            {
                Console.Write(err[i] + ",");
            }
            Console.Write("\n");
            Console.Write("\n");

            Console.WriteLine("Mean: " + mean);
            Console.WriteLine("Variance: " + variance);
        }