Accord.Tests.Math.BetaTest.IbetaTest C# (CSharp) Method

        public void IbetaTest()
        {
            double xx = 0.42;
            double aa = 2;
            double bb = 4;
            double expected = 0.696717907200000;

            double actual = Beta.Incomplete(aa, bb, xx);
            Assert.AreEqual(expected, actual, 0.0000001);
        }