private List <TimeWindow> GenerateWindows_2(List <DateTime> DatesList, int WindowSize)
{ //this includes the windows whose start date is not one of the loss date
int count = DatesList.Count;
TimeSpan diff = DatesList[count - 1] - DatesList[0];
int daysBtwn = diff.Days;
List <TimeWindow> lst_timeWindows = new List <TimeWindow>();
DateTime lastStart = new DateTime();
if (count > 0)
{
lastStart = DatesList[count - 1];
}
for (int i = 0; i <= daysBtwn; i++)
{
TimeWindow oneWindow = new TimeWindow();
DateTime current = DatesList[0].AddDays(i);
DateTime upperlim = current.AddDays(WindowSize - 1);
oneWindow.SetStartandEnd(current, upperlim);
lst_timeWindows.Add(oneWindow);
}
return(lst_timeWindows);
}
////assuming dateslist is a sorted list of dates in integer format
private List <TimeWindow> GenerateWindowsOnlyOneLO(List <DateTime> DatesList, int WindowSize)
{
int interval = WindowSize - 1;
int count = DatesList.Count;
List <TimeWindow> lst_timeWindows = new List <TimeWindow>();
for (int i = 0; i < count; i++)
{
DateTime current = DatesList[i];
DateTime lowerlim = current.AddDays(-interval);
DateTime upperlim = current.AddDays(interval);
double datediff = 0;
if (i < count - 1)
{
datediff = (DatesList[i + 1] - DatesList[i]).TotalDays;
}
TimeWindow leftWindow = new TimeWindow();
leftWindow.SetStartandEnd(lowerlim, current);
lst_timeWindows.Add(leftWindow);
//Console.WriteLine("Left Window - (" + leftWindow.start + "," + leftWindow.end + "]");
//to eliminate empty windows and exclude the last window
if (datediff <= interval && i < (count - 1))
{
TimeWindow rightWindow = new TimeWindow();
rightWindow.SetStartandEnd(current, upperlim);
lst_timeWindows.Add(rightWindow);
//Console.WriteLine("Right Window - (" + rightWindow.start + "," + rightWindow.end + "]");
}
}
return(lst_timeWindows);
}
//assuming dateslist is a sorted list of dates in integer format
private List <TimeWindow> GenerateWindows(ArrayList DatesList, int WindowSize)
{
double interval = WindowSize + 0.5;
int count = DatesList.Count;
List <TimeWindow> lst_timeWindows = new List <TimeWindow>();
for (int i = 0; i < count; i++)
{
double current = Convert.ToDouble(DatesList[i]);
double lowerlim = Convert.ToDouble(DatesList[i]) - interval;
double upperlim = Convert.ToDouble(DatesList[i]) + interval;
double datediff = 0;
if (i < count - 1)
{
datediff = Convert.ToDouble(DatesList[i + 1]) - Convert.ToDouble(DatesList[i]);
}
TimeWindow leftWindow = new TimeWindow();
leftWindow.SetStartandEnd(lowerlim, current);
lst_timeWindows.Add(leftWindow);
Console.WriteLine("Left Window - (" + leftWindow.start + "," + leftWindow.end + "]");
//to eliminate empty windows and exclude the last window
if (datediff <= interval && i < (count - 1))
{
TimeWindow rightWindow = new TimeWindow();
rightWindow.SetStartandEnd(current, upperlim);
lst_timeWindows.Add(rightWindow);
//Console.WriteLine("Right Window - (" + rightWindow.start + "," + rightWindow.end + "]");
}
}
return(lst_timeWindows);
}
private List <TimeWindow> GenerateWindows_3(List <DateTime> DatesList, int WindowSize)
{ //same logic as Windows_2, but remove the 0 loss windows and duplicate windows
List <TimeWindow> lst_timeWindows = new List <TimeWindow>();
int count = DatesList.Count;
if (count == 0)
{
return(lst_timeWindows);
}
TimeSpan diff = DatesList[count - 1] - DatesList[0];
int daysBtwn = diff.Days;
DateTime lastStart = new DateTime();
lastStart = DatesList[count - 1];
List <DateTime> preWindowDates = new List <DateTime>();
for (int i = 0; i <= daysBtwn; i++)
{
TimeWindow oneWindow = new TimeWindow();
DateTime current = DatesList[0].AddDays(i);
DateTime upperlim = current.AddDays(WindowSize - 1);
List <DateTime> tempDates = new List <DateTime>();
for (DateTime dt = current; dt <= upperlim; dt = dt.AddDays(1))
{
tempDates.Add(dt);
}
List <DateTime> currWindowDates = tempDates.Intersect(DatesList).ToList();
//List<DateTime> inter1 = currWindowDates.Except(preWindowDates).ToList();
//List<DateTime> inter2 = preWindowDates.Except(currWindowDates).ToList();
//if (currWindowDates.Count() > 0 && (inter1.Count() > 0 || inter2.Count() > 0))
if (currWindowDates.Count() > 0)
{
oneWindow.SetStartandEnd(current, upperlim);
lst_timeWindows.Add(oneWindow);
}
preWindowDates = currWindowDates;
}
return(lst_timeWindows);
}
private List <TimeWindow> GenerateWindows(List <DateTime> DatesList, int WindowSize)
{
int count = DatesList.Count;
List <TimeWindow> lst_timeWindows = new List <TimeWindow>();
DateTime lastStart = new DateTime();
if (count > 0)
{
lastStart = DatesList[count - 1];
}
for (int i = 0; i < count; i++)
{
TimeWindow oneWindow = new TimeWindow();
DateTime current = DatesList[i];
DateTime upperlim = DatesList[i].AddDays(WindowSize - 1);
oneWindow.SetStartandEnd(current, upperlim);
lst_timeWindows.Add(oneWindow);
//if (upperlim >= lastStart)
//{
// oneWindow.SetStartandEnd(current, upperlim);
// lst_timeWindows.Add(oneWindow);
// return lst_timeWindows;
//}
//else
//{
// oneWindow.SetStartandEnd(current, upperlim);
// lst_timeWindows.Add(oneWindow);
//}
}
return(lst_timeWindows);
}
