public void CumulativeSumTest()
{
var test = EvenOddSeries(0, 1, 50);
var sums = TimeSeriesIndicator.CumulativeSum(test.ToList());
Assert.AreEqual(25, test.Sum());
Assert.AreEqual(625, sums.Sum()); // From excel
}
public void LagsSeriesTest()
{
var test = EvenOddSeries(0, 1);
var lags = TimeSeriesIndicator.LaggedSeries(1, test);
Assert.AreEqual(50, test.Sum());
Assert.AreEqual(49d, lags.Sum());
}
public void UndifferencesSeries()
{
var test = EvenOddSeries();
double[] heads;
var differencer = TimeSeriesIndicator.DifferenceSeries(1, test, out heads);
Assert.AreEqual(test.Sum(), TimeSeriesIndicator.InverseDifferencedSeries(differencer, heads).Sum());
}
public void DifferencesSeries()
{
var test = EvenOddSeries();
double[] heads;
var differencer = TimeSeriesIndicator.DifferenceSeries(1, test, out heads);
Assert.AreEqual(-1, differencer.Sum());
}