/// <summary>
/// soma as distancias minimas encontradas e aplica a
/// formula de estatistica de hopkins
/// </summary>
/// <returns>Hopkins</returns>
private double CalculoFinal()
{
double u = Convert.ToDouble(RegAleatorios.AsEnumerable().Sum(x => x.Field <double>("DistanciaMin")));
double w = Convert.ToDouble(RegAmostraBanco.AsEnumerable().Sum(x => x.Field <double>("DistanciaMin")));
return(u / (u + w));
}
private void PreencherAmostraBanco()
{
/*Preenche com registro aleatorios do banco 25%*/
var rdn = new Random();
var aux = new List <int>();
for (int j = 0; j < Convert.ToInt32(Dados.Rows.Count / 4.0); j++)
{
var i = rdn.Next(Dados.Rows.Count);
while (aux.IndexOf(i) >= 0)
{
i = rdn.Next(Dados.Rows.Count);
}
aux.Add(i);
RegAmostraBanco.ImportRow(Dados.Rows[i]);
RegAmostraBanco.Rows[RegAmostraBanco.Rows.Count - 1]["indexOriginal"] = i;
}
}