public WelchTTestAbsoluteSecondsAttribute(double threshold)
     : base(BaselineScaledColumn.CreateWelchTTest(new AbsoluteHypothesis(TimeInterval.FromSeconds(threshold))))
 {
 }
 public WelchTTestRelativeAttribute(double ratio = 0.01)
     : base(BaselineScaledColumn.CreateWelchTTest(new RelativeHypothesis(ratio)))
 {
 }