static void Main(string[] args)
{
string[] lines = System.IO.File.ReadAllLines(@"C:\Users\monitor\Desktop\KNN\iris.txt");
List <Flor> flores = new List <Flor>();
for (int i = 0; i < lines.Length; i++)
{
string[] aux;
aux = lines[i].Split(',');
Vector2 sepala = new Vector2(float.Parse(aux[0], new CultureInfo("en-US")), float.Parse(aux[1], new CultureInfo("en-US")));
Vector2 petala = new Vector2(float.Parse(aux[2], new CultureInfo("en-US")), float.Parse(aux[3], new CultureInfo("en-US")));
string type = aux[4];
flores.Add(new Flor(type, sepala, petala));
}
do
{
double[] distancias = new double[flores.Count];
Vector2 sepala = new Vector2();
Vector2 petala = new Vector2();
Console.Write("Insira o comprimento da sepala: ");
sepala.x = float.Parse(Console.ReadLine(), new CultureInfo("en-US"));
Console.Write("Insira a largura da sepala: ");
sepala.y = float.Parse(Console.ReadLine(), new CultureInfo("en-US"));
Console.Write("Insira a comprimento da petala: ");
petala.x = float.Parse(Console.ReadLine(), new CultureInfo("en-US"));
Console.Write("Insira a largura da petala: ");
petala.y = float.Parse(Console.ReadLine(), new CultureInfo("en-US"));
Flor amostra = new Flor("", sepala, petala);
for (int i = 0; i < distancias.Length; i++)
{
distancias[i] = amostra.Distance(flores[i]);
}
Console.WriteLine("Distancias:");
flores = TimSort.InsertionSort(distancias, flores);
Console.Write("Insira o valor K: ");
int K = int.Parse(Console.ReadLine());
Console.WriteLine("Maior probalidade da planta inserida ser uma " + ChooseType(flores, K));
Console.Write("Deseja repetir? 1-Sim / 0-Não ");
} while (int.Parse(Console.ReadLine()) != 0);
Console.ReadKey();
}
public double Distance(Flor target)
{
double x = Math.Pow(sepala.x - target.sepala.x, 2);
double y = Math.Pow(this.sepala.y - target.sepala.y, 2);
double x1 = Math.Pow(this.petala.x - target.petala.x, 2);
double y1 = Math.Pow(this.petala.y - target.petala.y, 2);
double distance = Math.Sqrt(x + y + x1 + y1);
return(distance);
}
public static List <Flor> InsertionSort(double[] vetor, List <Flor> flores)
{
for (var i = 1; i < vetor.Length; i++)
{
Flor aux1 = flores[i];
var aux = vetor[i];
var j = i - 1;
while (j >= 0 && vetor[j] > aux)
{
vetor[j + 1] = vetor[j];
flores[j + 1] = flores[j];
j -= 1;
}
flores[j + 1] = aux1;
vetor[j + 1] = aux;
}
return(flores);
}