Ejemplo n.º 1
0
        private void button19_Click_1(object sender, EventArgs e)
        {
            int somDim = (int)somWidth.Value;

            NetMining.Data.PointSet    data = new PointSet(textBox4.Text);
            HexagonalSelfOrganizingMap hSOM = new HexagonalSelfOrganizingMap(data, somDim, 0.3);

            hSOM.runLargeEpochs(0.2, 1);
            hSOM.runLargeEpochs(0.05, 2);
            hSOM.runLargeEpochs(0.01, 2);
            //hSOM.runLargeEpochs(0.01, 4);
            //hSOM.runLargeEpochs(0.005, 6);

            //Setup out labels
            DelimitedFile f          = new DelimitedFile(SOMLabelTextbox.Text);
            int           labelIndex = Prompt.ShowDialog("Select Label Index", "Label File", 1, f.Data[0].Length) - 1;

            String[] labels = f.GetColumn(labelIndex);
            //Now build our array of indicies
            List <String> labelNames = new List <string>();

            int[] labelIndexArr = new int[data.Count];
            for (int i = 0; i < data.Count; i++)
            {
                if (!labelNames.Contains(labels[i]))
                {
                    labelNames.Add(labels[i]);
                }
                labelIndexArr[i] = labelNames.IndexOf(labels[i]);
            }

            var bmp = hSOM.GetUMatrix(10, labelNames.Count, labelIndexArr);

            bmp[0].Save("test" + somDim.ToString() + ".bmp");
            bmp[1].Save("count" + somDim.ToString() + ".bmp");
            for (int i = 2; i < bmp.Count; i++)
            {
                bmp[i].Save("count" + somDim.ToString() + "class_" + (i - 1).ToString() + ".bmp");
            }
            MessageBox.Show("Done!");
        }
Ejemplo n.º 2
0
        private void doSOMMapThreaded()
        {
            int        w   = (int)somWidth.Value;
            int        h   = (int)somHeight.Value;
            List <int> dim = new List <int>();

            dim.Add(w); dim.Add(h);
            int    numEpochs    = (int)numericUpDown5.Value;
            double learningRate = (double)numericUpDown6.Value;

            String folder = pointSetFile.Substring(0, pointSetFile.LastIndexOf('\\'));

            System.IO.Directory.CreateDirectory(folder);
            openFileDialog2.InitialDirectory = folder;

            String copiedFileName = folder + "/" + pointSetFileShort;

            if (!File.Exists(copiedFileName))
            {
                File.Copy(pointSetFile, copiedFileName);
            }

            PointSet somPoints = new PointSet(pointSetFile);

            HexagonalSelfOrganizingMap algo = new HexagonalSelfOrganizingMap(somPoints, w, learningRate);

            algo.runLargeEpochs(0.2, 1);
            algo.runLargeEpochs(0.05, 2);
            algo.runLargeEpochs(0.01, 2);

            String newCluster = folder + "/" + pointSetFileShort + "_som" + w + "x" + h + "_map_Epoch" + numEpochs + "_";

            var bmp = algo.GetUMatrix(10);

            bmp[0].Save(newCluster + ".bmp");
            bmp[1].Save(newCluster + "count" + ".bmp");

            MessageBox.Show("Complete!");
        }