private void button2_Click(object sender, EventArgs e)
{
//if (args.length < 5)
//{
// System.out
// .println("Usage: \n\t-train trainfile\n\t-test predictfile\n\t-sep separator, default:','\n\t-eta eta, default:0.5\n\t-iter iternum, default:5000\n\t-out outputfile");
// return;
//}
String trainfile = @".\data\train.txt";
String testfile = @".\data\test.txt";
String outputfile = "outputfile.txt";
float eta = 0.05f;
int nIter = 1000;
List <CnnDemo.BP.DataNode> trainList = GetDataList(trainfile);
List <CnnDemo.BP.DataNode> testList = GetDataList(testfile);
StreamWriter sw = new StreamWriter(outputfile);
int typeCount = 3;
Cnn tmpCnn = new Cnn();
tmpCnn.AddCnnFullLayer(4, 14, CnnNode.ActivationFunctionTypes.Tanh, false);
tmpCnn.AddCnnFullLayer(20, CnnNode.ActivationFunctionTypes.Tanh, false);
tmpCnn.AddCnnFullLayer(10, CnnNode.ActivationFunctionTypes.Tanh, false);
tmpCnn.AddCnnFullLayer(10, CnnNode.ActivationFunctionTypes.Tanh, false);
tmpCnn.AddCnnFullLayer(3, CnnNode.ActivationFunctionTypes.Tanh, false);
for (int i = 0; i < nIter; i++)
{
foreach (var t in trainList)
{
tmpCnn.TrainFullLayer(t.getAttribList2().ToArray(), t.getTypes(), eta);
}
}
for (int i = 0; i < testList.Count(); i++)
{
CnnDemo.BP.DataNode test = testList[i];
double[] type = tmpCnn.PredictFullLayer(test.getAttribList2().ToArray());
List <float> attribs = test.getAttribList();
for (int n = 0; n < attribs.Count(); n++)
{
sw.Write(attribs[n] + ",");
}
double maxtype = type[0], max = 0;
for (int n = 0; n < 3; n++)
{
if (maxtype < type[n])
{
max = n;
maxtype = type[n];
}
}
sw.WriteLine(GetTypeName(max));
}
sw.Close();
}
private List <CnnDemo.BP.DataNode> GetDataList(string path)
{
List <CnnDemo.BP.DataNode> tmpListDataNode = new List <BP.DataNode>();
StreamReader sr = new StreamReader(path);
string line = sr.ReadLine();
while (!String.IsNullOrEmpty(line))
{
string[] values = line.Split(',');
CnnDemo.BP.DataNode data = new BP.DataNode();
for (int i = 0; i < values.Length; i++)
{
if (i < values.Length - 1)
{
data.addAttrib(Convert.ToSingle(values[i]));
}
else
{
switch (values[i])
{
case "Iris-versicolor":
data.setType(0);
break;
case "Iris-setosa":
data.setType(1);
break;
case "Iris-virginica":
data.setType(2);
break;
}
}
}
tmpListDataNode.Add(data);
line = sr.ReadLine();
}
sr.Close();
return(tmpListDataNode);
}
