/// <summary>
///
/// </summary>
/// <param name="first"></param>
/// <param name="second"></param>
/// <param name="percentile">desiered percental rank (in range 0...1)</param>
/// <remarks>Set <cref="percentile"/> with less to <c="0"/> to elliminate selection by percentile rank.</remarks>
private double Accordance(RecordsNodesCircularList <TPosition> first, RecordsNodesCircularList <TPosition> second, double percentile)
{
double res = 0;
if (!IsCorrelated)
{
throw new Exception("Accodance terminated! Launch 'Correlate(...)' method first and then try again. CAUSE: Records collactions are NOT correlated yet.");
}
RecordNode <Record <TPosition> > itrtrFirst = first.Head;
RecordNode <Record <TPosition> > itrtrSecond = second.Head;
Delta <TPosition> delta = null;
List <Delta <TPosition> > deltas = null;
List <Delta <TPosition> > deltasSorted = null;
do
{
delta = new Delta <TPosition>(itrtrFirst, itrtrSecond);
if (deltas == null)
{
deltas = new List <Delta <TPosition> >();
}
deltas.Add(delta);
if (deltasSorted == null)
{
deltasSorted = new List <Delta <TPosition> >();
}
deltasSorted.Add(delta);
itrtrFirst = itrtrFirst.Next;
itrtrSecond = itrtrSecond.Next;
}while (itrtrFirst != first.Head);
if (PercentRank(deltasSorted))
{
int endIndx = deltasSorted.Count;
if (percentile >= 0)
{
int i = 0;
for (; i < endIndx && deltasSorted.ElementAt(i).PercentRank.HasValue&& deltasSorted.ElementAt(i).PercentRank.Value < percentile; i++)
{
}
endIndx = i;
}
res = deltasSorted.StandardDeviation(0, endIndx);
}
return(res);
}
/// <summary>
///
/// </summary>
/// <param name="other"></param>
/// <returns></returns>
public double?GetProduct(RecordNode <T> other)
{
return((Data as IProduct <T>)?.GetProduct(other.Data));
}
/// <summary>
///
/// </summary>
/// <param name="first"></param>
/// <param name="second"></param>
public Delta(RecordNode <Record <TPosition> > first, RecordNode <Record <TPosition> > second)
{
First = first;
Second = second;
}