private void AddEntropyResultItems(EntropyLogic pEntropyLogic, MatchCollection pMatchCollection, EntropyResult pEntropyResult)
{
foreach (Match m in pMatchCollection)
{
string value = m.Value;
if (pEntropyLogic.Trim != string.Empty)
{
value = value.Trim();
}
if (pEntropyLogic.NoEmpty && value == string.Empty)
{
continue;
}
EntropyItem it = pEntropyResult.ItemList.Find(x => x.Value == value);
if (it == null)
{
pEntropyResult.ItemList.Add(new EntropyItem()
{
Value = value, Count = 1
});
}
else
{
it.Count++;
}
pEntropyResult.SignCount++;
}
}
private void CalcItem(EntropyResult pEntropyResult, EntropyItem pEntropyItem)
{
pEntropyItem.P = (double)pEntropyItem.Count / pEntropyResult.SignCount;
double pI = 1 / pEntropyItem.P;
pEntropyItem.I = Math.Log(pI, 2);
pEntropyResult.ShannonEntropy += pEntropyItem.P * pEntropyItem.I;
}
private void SumItem(EntropyResult pEntropyResult, EntropyItem pEntropyItem)
{
EntropyItem it2 = pEntropyResult.ItemList.Find(x => x.Value == pEntropyItem.Value);
if (it2 == null)
{
pEntropyResult.ItemList.Add(new EntropyItem()
{
Value = pEntropyItem.Value, Count = pEntropyItem.Count
});
}
else
{
it2.Count += pEntropyItem.Count;
}
}