Accord.Tests.Statistics.TwoProportionZTestTest.TwoProportionZTestConstructorTest C# (CSharp) Method

        public void TwoProportionZTestConstructorTest()
        {
            // Example from http://stattrek.com/hypothesis-test/difference-in-proportions.aspx

            int sampleSize1 = 100;
            int sampleSize2 = 200;
            double sample1 = 0.38;
            double sample2 = 0.51;

            TwoProportionZTest target = new TwoProportionZTest(
                sample1, sampleSize1,
                sample2, sampleSize2,
                TwoSampleHypothesis.ValuesAreDifferent);

            Assert.AreEqual(-2.13, target.Statistic, 5e-3);
            Assert.AreEqual(0.034, target.PValue, 1e-3);
            Assert.IsTrue(target.Significant);
        }