public void QuartileTest4()
{
// This is equivalent to R's type 6. This is the
// same algorithm used by Minitab and SPSS. It is
// not the same used by R and S.
double[] values =
{
-0.309882133, -0.640157313179586, 0.00470721699999999,
-0.709738241179586, 0.328021416, -1.95662033217959,
0.618215405, 0.113038781, 0.311043694, -0.0662271140000001,
-0.314138172179586, 0, -0.220574326, 0.078498723, 0.287448082
};
double q1, q3, actual;
actual = Measures.Quartiles(values, out q1, out q3, false);
Assert.AreEqual(-0.31413817217958601, q1);
Assert.AreEqual(0, actual);
Assert.AreEqual(0.28744808199999999, q3);
}