//public static double entropy(double inp)
//{
// return (-(inp * Math.Log(inp, 2)) - ((1 - inp) * Math.Log((1 - inp), 2)));
//}
//public static double entropy(disease d,symptom s)
//{
// return (d.py) * (d.symptoms.Contains(s.Number)?(entropy((double)1/d.symptoms.Count)):0) + (d.pn) * (d.symptoms.Contains(s.Number) ? entropy(((double)(65-d.symptoms.Count) / (65))) : 0);
//}
//public static double InformationGain(symptom s,disease d)
//{
// return entropy(s.py) - entropy(d,s);
//}
public static double pck(disease d, symptom s, bool b)
{
if (b)
{
if (s.Disease.Contains(d.Num))
{
return((double)1 / s.Disease.Count);
}
else
{
return(0);
}
}
else
{
if (s.Disease.Contains(d.Num))
{
return(0);
}
else
{
return((double)1 / (9 - s.Disease.Count));
}
}
}
public data(int i, object obj)
{
if (i == 0)
{
ic = null;
d = null;
s = (symptom)obj;
}
else if (i == 1)
{
ic = null;
s = null;
d = (disease)obj;
}
else if (i == 2)
{
ic = (ic)obj;
s = null;
d = null;
}
else
{
ic = null;
s = null;
d = null;
}
}
public ic CastToIc(disease d)
{
foreach (ic item in sl)
{
// Console.WriteLine(item.Name+" "+d.Name);
if (item.Name.Length == d.Name.Length)
{
return(item);
}
}
Console.WriteLine("null");
return(null);
}
