public void Delta(Neigbhour point)
{
double sum = Sum(point);
if (point.type == "Iris-setosa")
{
while (sum == 0)
{
for (int i = 0; i < weights.Count; i++)
{
weights[i] += (1 - sum) * learningConst * point.points[i];
}
thetha += (1 - sum) * learningConst;
sum = Sum(point);
}
}
else
{
while (sum == 1)
{
for (int i = 0; i < weights.Count; i++)
{
weights[i] += -sum * learningConst * point.points[i];
}
thetha += -sum * learningConst;
sum = Sum(point);
}
}
}
public double Sum(Neigbhour point)
{
double sum = 0;
for (int i = 0; i < point.points.Count; i++)
{
sum += point.points[i] * weights[i];
}
return(sum >= thetha ? 1 : 0);
}
static void Main(string[] args)
{
string[] trainingContent = File.ReadAllLines("iris_training.txt");
string[] testContent = File.ReadAllLines("iris_test.txt");
var training = new List <Neigbhour>();
var test = new List <Neigbhour>();
for (int i = 0; i < trainingContent.Length; i++)
{
training.Add(new Neigbhour(trainingContent[i], true));
}
for (int i = 0; i < testContent.Length; i++)
{
test.Add(new Neigbhour(testContent[i], true));
}
var perceptron = new Perceptron(training[0].points.Count);
perceptron.StartLearning(training, 10);
perceptron.RunTest(test);
Console.WriteLine("Czy chcesz wprowadzić dane? (Y/N):");
string answer = Console.ReadLine().ToLower().Trim();
bool loop = answer.Equals("y");
while (loop)
{
Console.WriteLine("Podaj dane: ");
string input = Console.ReadLine();
var p = new Neigbhour(input, false);
string pickedType = perceptron.Sum(p) == 1 ? "Iris-setosa" : "nie Iris-setosa";
Console.WriteLine($"Podany typ to {pickedType}");
Console.WriteLine("Czy chcesz wprowadzić dane? (Y/N):");
answer = Console.ReadLine().ToLower().Trim();
loop = answer.Equals("y");
}
}
