private static void TrainModel(Network model, Func <Image, Array> getInput)
{
int total = 10000;
int current = 0;
using (var pbar = new ProgressBar(total, "Training Model"))
{
foreach (var image in MnistReader.ReadTrainingData(total))
{
var target = Helper.CreateTarget(image.Label, NumberOfClasses);
model.TrainModel(getInput(image), target);
pbar.Tick($"Training Model: {++current} of {total}");
}
}
}
private static double TestModel(Model model, Func <Image, Array> getInput)
{
var results = new List <double>();
int total = 1000;
int current = 0;
using (var pbar = new ProgressBar(total, "Testing Model"))
{
foreach (var image in MnistReader.ReadTestData(total))
{
var res = model.Predict(getInput(image));
results.Add(Helper.IntegerFromOutput(res) == image.Label ? 1 : 0);
pbar.Tick($"Testing Model: {++current} of {total}");
}
}
return(results.Average());
}