/// <summary>
/// Returns a timestampseries at the required timestep
/// Returns a new empty timestampseries if no data exists.
/// </summary>
/// <param name="TimeStep"></param>
/// <returns></returns>
public FixedTimeStepSeries GetTs(TimeStepUnit TimeStep)
{
FixedTimeStepSeries toreturn;
if (!data.TryGetValue(TimeStep, out toreturn))
{
if (data.Count == 0)
{
toreturn = new FixedTimeStepSeries()
{
TimeStepSize = TimeStep, Name = Name + "_" + TimeStep.ToString()
};
}
if (data.ContainsKey(TimeStepUnit.Day))
{
toreturn = TSTools.ChangeZoomLevel(data[TimeStepUnit.Day], TimeStep, Accumulate);
}
else if (data.ContainsKey(TimeStepUnit.Month))
{
toreturn = TSTools.ChangeZoomLevel(data[TimeStepUnit.Month], TimeStep, Accumulate);
}
data.Add(TimeStep, toreturn);
}
return(toreturn);
}
public TimeSpanSeries(IEnumerable <TimeSpanValue> Values)
: base(Values)
{
if (Items.Count > 0)
{
TimeStepSize = TSTools.GetTimeStep(Items[0].StartTime, Items[0].EndTime);
}
}
/// <summary>
/// Creates a fixed time step series with the lowest possible timestep
/// </summary>
/// <param name="ts"></param>
public FixedTimeStepSeries(TimeSpanSeries ts, bool Accumulate) : this()
{
var maxtimestep = TimeSpan.FromSeconds(ts.Items.Average(tse => tse.Duration.TotalSeconds));
this.TimeStepSize = TSTools.GetLowestZoomLevel(maxtimestep);
this.StartTime = TSTools.GetTimeOfFirstTimeStep(ts.StartTime, TimeStepSize);
this.OffSetStartTime = ts.StartTime;
OffSetEndTime = ts.EndTime;
DateTime NextEnd = StartTime.AddTimeStepUnit(TimeStepSize);
List <int> Nvalues = new List <int>();
foreach (var v in ts.Items)
{
if (v.EndTime <= NextEnd)
{
if (Items.Count == 0)
{
Items.Add(new ValueDouble(0));
Nvalues.Add(0);
}
if (v.Value != ts.DeleteValue)
{
Items[Items.Count - 1].Value += v.Value;
Nvalues[Items.Count - 1]++;
}
}
else
{
Items.Add(new ValueDouble(DeleteValue));
Nvalues.Add(0);
while (v.EndTime > (NextEnd = NextEnd.AddTimeStepUnit(TimeStepSize)))
{
Items.Add(new ValueDouble(DeleteValue));
Nvalues.Add(0);
}
Items[Count - 1].Value = v.Value;
Nvalues[Items.Count - 1]++;
}
}
if (!Accumulate)
{
for (int i = 0; i < Nvalues.Count; i++)
{
if (Nvalues[i] > 0)
{
Items[i].Value /= Nvalues[i];
}
}
}
}
/// <summary>
/// Returns the R-squared value
/// </summary>
/// <param name="Other"></param>
/// <returns></returns>
public double?R2(FixedTimeStepSeries Other)
{
double[] val1;
double[] val2;
AlignRemoveDeletevalues(Other, out val1, out val2);
int c = val1.Count();
if (c > 0)
{
return(TSTools.R2(val1, val2));
}
return(null);
}
public TimeStampSeries(IEnumerable <TimeStampValue> Values)
: base(Values)
{
if (Items.Count > 1)
{
TimeStepSize = TSTools.GetTimeStep(Items[0].Time, Items[1].Time);
}
else
{
TimeStepSize = TimeStepUnit.None;
}
Items.CollectionChanged += Items_CollectionChanged;
}
public TimeSpanSeries(TimeStampSeries ts, TimeSpan TimeStep)
: this()
{
this.DeleteValue = ts.DeleteValue;
TimeStepSize = ts.TimeStepSize;
List <TimeSpanValue> templist = new List <TimeSpanValue>();
for (int i = 0; i < ts.Count; i++)
{
templist.Add(new TimeSpanValue(ts.Items[i].Time.Subtract(TimeStep), ts.Items[i].Time, ts.Items[i].Value));
}
AddRange(templist);
if (ts.Count != 0)
{
TimeStepSize = TSTools.GetTimeStep(StartTime, StartTime.Add(TimeStep));
}
}
public void GapFill(InterpolationMethods Method)
{
if (this.TimeStepSize == TimeStepUnit.None)
{
throw new Exception("Cannot GapFill when the timestep unit is not set");
}
List <int> Xvalues = new List <int>();
List <double> Yvalues = new List <double>();
Xvalues.Add(0);
Yvalues.Add(Items.First().Value);
int counter = 0;
for (int i = 1; i < Items.Count; i++)
{
DateTime next = Items[i - 1].Time;
while ((next = TSTools.GetNextTime(next, this.TimeStepSize)) <= Items[i].Time)
{
counter++;
}
Yvalues.Add(Items[i].Value);
Xvalues.Add(counter);
}
if (Method == InterpolationMethods.DeleteValue)
{
for (int i = 1; i < Yvalues.Count; i++)
{
for (int j = Xvalues[i - 1] + 1; j < Xvalues[i]; j++)
{
Items.Insert(j, new TimeStampValue(TSTools.GetNextTime(Items[j - 1].Time, this.TimeStepSize), DeleteValue));
}
}
}
else
{
throw new Exception("Not implemented yet");
}
}
public TimeSpanSeries(TimeStampSeries ts) : this()
{
if (ts != null)
{
this.DeleteValue = ts.DeleteValue;
TimeStepSize = ts.TimeStepSize;
if (ts.Count > 1)
{
List <TimeSpanValue> templist = new List <TimeSpanValue>();
templist.Add(new TimeSpanValue(ts.Items[0].Time.Subtract(ts.Items[1].Time.Subtract(ts.Items[0].Time)), ts.Items[0].Time, ts.Items[0].Value));
for (int i = 1; i < ts.Count; i++)
{
templist.Add(new TimeSpanValue(ts.Items[i - 1].Time, ts.Items[i].Time, ts.Items[i].Value));
}
AddRange(templist);
}
if (Items.Count > 0)
{
TimeStepSize = TSTools.GetTimeStep(Items[0].StartTime, Items[0].EndTime);
}
}
}