| public static GetSampleSize ( double delta, double standardDeviation = 1, double proportion = 1.0, double power = 0.8, double alpha = 0.05, TwoSampleHypothesis hypothesis = TwoSampleHypothesis.ValuesAreDifferent ) : TwoSampleZTestPowerAnalysis | ||
| delta | double | The minimum detectable difference. |
| standardDeviation | double | The difference standard deviation. |
| proportion | double | The proportion of observations in the second group /// when compared to the first group. A proportion of 2:1 results in twice more /// samples in the second group than in the first. Default is 1. |
| power | double | The desired power level. Default is 0.8. |
| alpha | double | The desired significance level. Default is 0.05. |
| hypothesis | TwoSampleHypothesis | The alternative hypothesis (research hypothesis) to be tested. |
| return | TwoSampleZTestPowerAnalysis | |
public static TwoSampleZTestPowerAnalysis GetSampleSize(double delta,
double standardDeviation = 1, double proportion = 1.0, double power = 0.8, double alpha = 0.05,
TwoSampleHypothesis hypothesis = TwoSampleHypothesis.ValuesAreDifferent)
{
var analysis = new TwoSampleZTestPowerAnalysis(hypothesis)
{
Effect = (delta) / standardDeviation,
Size = alpha,
Power = power,
};
analysis.ComputeSamples(proportion);
return analysis;
}
