static void TestXor <U>(bool summary = false, int epochs = 50, int displayEpochs = 25)
{
Console.WriteLine("Hello World, MLP on Xor Dataset.");
var(trainX, trainY) = ImportDataset.XorDataset <U>();
var net = new Network <U>(new SGD <U>(0.1f), new MeanSquaredLoss <U>(), new RoundAccuracy <U>());
net.AddLayer(new DenseLayer <U>(8, inputShape: 2));
net.AddLayer(new TanhLayer <U>());
net.AddLayer(new DenseLayer <U>(1));
net.AddLayer(new SigmoidLayer <U>());
if (summary)
{
net.Summary();
}
net.Fit(trainX, trainY, epochs, displayEpochs: displayEpochs);
if (summary)
{
var yp = net.Forward(ndX);
for (int k = 0; k < 4; ++k)
{
Console.WriteLine($"[{X[k].Glue()}] = [{y[k][0]}] -> {yp.Data[k]:0.000000}");
}
}
Console.WriteLine();
}
static void TestDigits <U>(bool summary = false, int epochs = 50, int displayEpochs = 25, int batchsize = 100)
{
Console.WriteLine("Hello World, MLP on Digits Dataset.");
(var trainX, var trainY, var testX, var testY) = ImportDataset.DigitsDataset <U>(ratio: 0.9);
var net = new Network <U>(new SGD <U>(0.025f, 0.2f), new CrossEntropyLoss <U>(), new ArgmaxAccuracy <U>());
net.AddLayer(new DenseLayer <U>(32, inputShape: 64));
net.AddLayer(new SigmoidLayer <U>());
net.AddLayer(new DenseLayer <U>(10));
net.AddLayer(new SoftmaxLayer <U>());
if (summary)
{
net.Summary();
}
net.Fit(trainX, trainY, testX, testY, epochs: epochs, batchSize: batchsize, displayEpochs: displayEpochs);
Console.WriteLine();
}
static void TestIris <U>(bool summary = false, int epochs = 50, int displayEpochs = 25, int batchsize = 10)
{
Console.WriteLine("Hello World, MLP on Iris Dataset.");
(var trainX, var trainY, var testX, var testY) = ImportDataset.IrisDataset <U>(ratio: 0.8);
var net = new Network <U>(new SGD <U>(0.025f, 0.2f), new MeanSquaredLoss <U>(), new ArgmaxAccuracy <U>());
net.AddLayer(new DenseLayer <U>(5, inputShape: 4));
net.AddLayer(new TanhLayer <U>());
net.AddLayer(new DenseLayer <U>(3));
net.AddLayer(new SigmoidLayer <U>());
if (summary)
{
net.Summary();
}
net.Fit(trainX, trainY, epochs, batchSize: batchsize, displayEpochs: displayEpochs);
net.Test(testX, testY);
Console.WriteLine();
}