private IDataSet <string[]> getRandomSet()
{
IDataSet <string[]> temp = Factory.getObject <IDataSet <string[]> >();
temp.AddItem(getRandomData());
IDataItem <string[]> di = Factory.getObject <IDataItem <string[]> >();
di.setValue(new string[3]);
di.getValue()[0] = r.Next(1, 4).ToString();
temp.AddItem(di);
temp.AddItem(getRandomData());
if (temp.GetItem(0).getValue() != temp.GetItem(2).getValue())
{
return(temp);
}
else
{
return(getRandomSet());
}
}
private double GetMatches(IDataSet <string[]> di)
{
IList <int> matches = Factory.getObject <IList <int> >();
for (int i = 0; i < fileData.Length; i++)
{
int col = int.Parse(di.GetItem(0).getValue()[0]);
string val = di.GetItem(0).getValue()[1];
if (fileData[i].GetItem(col).getValue() == val)
{
matches.Add(i);
}
}
for (int i = 0; i < matches.Count; i++)
{
int col = int.Parse(di.GetItem(2).getValue()[0]);
string val = di.GetItem(2).getValue()[1];
if (fileData[matches[i]].GetItem(col).getValue() != val)
{
matches.RemoveAt(i);
}
}
return(((double)matches.Count / (double)fileData.Length) * 100);
}
public override IDataSet <string[]> mutate(IDataSet <string[]> child)
{
int n = r.Next(0, 3);
if (n == 1)
{
child.GetItem(1).getValue()[0] = r.Next(1, 4).ToString();
}
else
{
IDataItem <string[]> di = getRandomData();
if (di.getValue()[0] == child.GetItem(n).getValue()[0])
{
child = mutate(child);
}
else
{
child.GetItem(n).setValue(di.getValue());
}
}
return(child);
}
public IDataSet <T> CreateChild(IDataSet <T> p1, IDataSet <T> p2)
{
if (p1.Length() != p2.Length())
{
throw new Exception("parent sizes don't match");
}
IDataSet <T> child = new myDataSet <T>(p1.Length());
for (int i = 0; i < p1.Length(); i++)
{
if (i % 2 == 0)
{
child.SetValue(p1.GetItem(i).getValue(), i);
}
else
{
child.SetValue(p2.GetItem(i).getValue(), i);
}
}
return(child);
}
