public static NNModelMSN Create(string fileName)
{
List<InputTransform> inputList = new List<InputTransform>();
List<NodeLayer> layerList = new List<NodeLayer>();
List<Node> nodeList = new List<Node>();
NNModelMSN nnMSN = null;
DataSection[] dataSec = IniFile.Parse(fileName);
for (int i = 0; i < dataSec.Length; i++)
{
if (InputTransform.IsType(dataSec[i]))
{
inputList.Add(new InputTransform(dataSec[i]));
}
else if (NodeLayer.IsType(dataSec[i]))
{
layerList.Add(new NodeLayer(dataSec[i]));
}
else if(Node.IsType(dataSec[i]))
{
nodeList.Add(new Node(dataSec[i]));
}
else if (NNModelMSN.IsType(dataSec[i]))
{
nnMSN = new NNModelMSN(dataSec[i]);
}
}
if (nnMSN != null)
{
nnMSN.Init(inputList, layerList, nodeList);
}
return nnMSN;
}
public NNModelMSN CovertToNNModelMSN(int cIter, bool fConvThresh2Int)
{
NNModelMSN sMartMSN = null;
NNModelMSN subModelMSN = (NNModelMSN)this.SubModel;
DTNode[,][] dtNodes = this.CreateDTNodes(this.FeatureNames, cIter);
foreach (DTNode[] nodes in dtNodes)
{
foreach (DTNode node in nodes)
{
if (node != null)
{
node.IsThresholdInt = fConvThresh2Int;
}
}
}
sMartMSN = new NNModelMSN(subModelMSN, dtNodes);
return sMartMSN;
}
public NNModelMSN(NNModelMSN subModel, DTNode[,][] boostedDTs)
{
int cIter = boostedDTs.GetLength(0);
int cClass = boostedDTs.GetLength(1);
if (cClass == 1)
{
if (subModel != null)
{
this.cNodeLayer = subModel.cNodeLayer;
this.cInputs = subModel.cInputs + cIter;
this.layers = new Layer[this.cNodeLayer + 1];
//create the input layer
this.layers[0] = new InputLayer((InputLayer)subModel.layers[0], boostedDTs, cIter);
//create the extended node layers
for (int l = 1; l <= this.cNodeLayer; l++)
{
this.layers[l] = new NodeLayer((NodeLayer)subModel.layers[l], this.layers[l - 1]);
}
}
else
{
this.cNodeLayer = 1;
this.cInputs = cIter;
this.layers = new Layer[this.cNodeLayer + 1];
this.layers[0] = new InputLayer(boostedDTs, cIter);
this.layers[1] = new NodeLayer(1, this.cInputs, 1);
}
//add a new layer if necessary
if (this.layers[this.cNodeLayer].cOutputs > 1)
{
this.cNodeLayer++;
Layer[] layers = new Layer[this.cNodeLayer];
for (int i = 0; i < this.layers.Length; i++)
{
layers[i] = this.layers[i];
}
this.layers = layers;
this.layers[this.cNodeLayer-1] = new NodeLayer(this.cNodeLayer, this.layers[this.cNodeLayer-2].cOutputs, 1);
}
}
else
{
if (subModel == null)
{
this.cNodeLayer = 2;
this.cInputs = cIter * cClass;
this.layers = new Layer[this.cNodeLayer + 1];
this.layers[0] = new InputLayer(boostedDTs, cIter);
this.layers[1] = new NodeLayer(1, this.cInputs, cClass);//multiplex layer
this.layers[2] = new NodeLayer(2, cClass); //dotproduct node layer
}
else
{
throw new Exception("Multiclass sub-mart has not been implemented yet");
}
}
}