public void test_06_fisher_vs_chi2() {
		int n11 = 25, n12 = 5;
		int n21 = 15, n22 = 15;

		int k = n11;
		int D = n11 + n12;
		int N = n11 + n12 + n21 + n22;
		int n = n11 + n21;

		// Chi square approximation (without Yates correction)
		double pChi = FisherExactTest.get().chiSquareApproximation(k, N, D, n);
		if (verbose) System.out.println("Chi^2  p-value: " + pChi);
		Assert.assertEquals(pChi, 0.00617, 0.00001);

		// Fisher exact test
		double pFish = FisherExactTest.get().fisherExactTestUp(k, N, D, n);
		if (verbose) System.out.println("Fisher p-value: " + pFish);
		Assert.assertEquals(pFish, 0.006349, 0.000001);

		double ratio = pFish / pChi;
		if (verbose) System.out.println("Ratio: " + ratio);
	}