/// <summary>
///
/// </summary>
/// <param name="ei">Tiene que ser de tipo Numerico</param>
/// <param name="ej">Tiene que ser de tipo Numerico</param>
/// <returns></returns>
private double EscalarProduct(Element ei, Element ej)
{
double result = 0;
for (int i = 0; i < ei.ValuesCount; i++)
{
if (AttributesToCalculateProximity.Contains(ei.Attributes[i]) && !ei.IsMissing(i) && !ej.IsMissing(i))
{
result += ((double)ei[i]) * ((double)ej[i]);
}
}
return(result);
}
/// <summary>
///
/// </summary>
/// <param name="e">El elemento tiene que ser de tipo Numerico</param>
/// <returns></returns>
private double Norm(Element e)
{
double norm = 0;
for (int i = 0; i < e.ValuesCount; i++)
{
if (AttributesToCalculateProximity.Contains(e.Attributes[i]) && !e.IsMissing(i))
{
double c = (double)e[i];
norm += c * c;
}
}
return(Math.Sqrt(norm));
}
public override double CalculateProximity(Element ei, Element ej)
{
base.Verify(ei, ej);
if (ei.Set != null && ei.Set.NormValues != null)
{
normvalues = ei.Set.NormValues;
}
double result = 0;
for (int i = 0; i < ei.ValuesCount; i++)
{
if (AttributesToCalculateProximity.Contains(ei.Attributes[i]) && !ei.IsMissing(i) && !ej.IsMissing(i))
{
result += Math.Pow(CalculateDiff(ei, ej, ei.Attributes[i], i), 4);
}
}
return(Math.Pow(result, 1.0 / 4));
}
public override double CalculateProximity(Element ei, Element ej)
{
base.Verify(ei, ej);
if (ei.Set != null && ei.Set.NormValues != null)
{
normvalues = ei.Set.NormValues;
}
double result = double.MinValue;
for (int i = 0; i < ei.ValuesCount; i++)
{
if (AttributesToCalculateProximity.Contains(ei.Attributes[i]) && !ei.IsMissing(i) && !ej.IsMissing(i))
{
double temp = Math.Abs(CalculateDiff(ei, ej, ei.Attributes[i], i));
if (temp > result)
{
result = temp;
}
}
}
return(result);
}
