コード例 #1
0
        private static void LoadData()
        {
            SqlConnection connection = new SqlConnection(connectionString);

            connection.Open();

            SqlCommand    command = new SqlCommand("SELECT * FROM EarthquakesDatabase", connection);
            SqlDataReader reader  = command.ExecuteReader();

            while (reader.Read())
            {
                Earthquake eq = new Earthquake();
                eq.latitude  = (float)Convert.ToDouble(reader["Latitude"]);
                eq.longitude = (float)Convert.ToDouble(reader["Longitude"]);
                eq.depth     = (float)Convert.ToDouble(reader["Depth"]);
                eq.magnitude = (float)Convert.ToDouble(reader["Magnitude"]);

                earthquakes.Add(eq);
            }
            reader.Close();

            command.CommandText = "SELECT MAX (Latitude) FROM EarthquakesDatabase";
            maxLatitude         = (float)Convert.ToDouble(command.ExecuteScalar());
            command.CommandText = "SELECT MAX (Longitude) FROM EarthquakesDatabase";
            maxLongitude        = (float)Convert.ToDouble(command.ExecuteScalar());
            command.CommandText = "SELECT MAX (Depth) FROM EarthquakesDatabase";
            maxDepth            = (float)Convert.ToDouble(command.ExecuteScalar());
            command.CommandText = "SELECT MAX (Magnitude) FROM EarthquakesDatabase";
            maxMagnitude        = (float)Convert.ToDouble(command.ExecuteScalar());

            command.Dispose();
            connection.Close();
        }
コード例 #2
0
        private static void Test()
        {
            Random rand = new Random();

            for (int a = 0; a < 100; ++a)
            {
                Earthquake eq     = earthquakes[rand.Next(earthquakes.Count + 1)];
                float[]    inputs = { eq.latitude / maxLatitude, eq.longitude / maxLongitude, eq.depth / maxDepth };

                float guess = GetOutput(inputs) * maxMagnitude;
                ExampleTraining(inputs, eq.magnitude / maxMagnitude);

                string msg = "Latidue: " + eq.latitude + ", Longitude: " +
                             eq.longitude + ", Depth: " + eq.depth + ", Actual Magnitude : " + eq.magnitude + ", Guess: " + guess;
                Console.WriteLine(msg);
            }
        }
コード例 #3
0
        private static void Train()
        {
            const int   BATCH_SIZE = 100;
            const short INPUT_CTR  = 3;

            float[] inputs          = new float[BATCH_SIZE * INPUT_CTR];
            float[] expectedOutputs = new float[BATCH_SIZE];

            //Batch learning
            for (int a = 0, b = 0; a < BATCH_SIZE; ++a, ++b)
            {
                Earthquake eq = earthquakes[a];
                inputs[b]   = eq.latitude / maxLatitude;
                inputs[++b] = eq.longitude / maxLongitude;
                inputs[++b] = eq.depth / maxDepth;

                expectedOutputs[a] = eq.magnitude / maxMagnitude;
            }

            BatchTraining(inputs, BATCH_SIZE, expectedOutputs, 20);
        }