public void PowerTest2()
{
// Example from http://www.cyclismo.org/tutorial/R/power.html
double mean = 6.5;
double stdDev = 2;
int samples = 20;
double hypothesizedMean = 5;
OneSampleHypothesis hypothesis = OneSampleHypothesis.ValueIsDifferentFromHypothesis;
ZTest target = new ZTest(mean, stdDev, samples, hypothesizedMean, hypothesis);
IPowerAnalysis power = target.Analysis;
Assert.AreEqual(0.918362, power.Power, 1e-6);
}