Power of a one- or two-sample t test, or the sample size, difference, standard deviation or significance level for a given power. Equivalent to R's power.t.test().
power.t.test()
powerTTest({ n: 20, delta: 1 }).power; // 0.8689528016921269powerTTest({ delta: 0.5, power: 0.8 }).n; // 63.765763714280546 Copy
powerTTest({ n: 20, delta: 1 }).power; // 0.8689528016921269powerTTest({ delta: 0.5, power: 0.8 }).n; // 63.765763714280546
Power of a one- or two-sample t test, or the sample size, difference, standard deviation or significance level for a given power. Equivalent to R's
power.t.test().