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2. Power (statistics) - Wikipedia

   en.wikipedia.org/wiki/Power_(statistics)

   Power (statistics) In frequentist statistics, power is a measure of the ability of an experimental design and hypothesis testing setup to detect a particular effect if it is truly present. In typical use, it is a function of the test used (including the desired level of statistical significance), the assumed distribution of the test (for ...

3. G*Power - Wikipedia

   en.wikipedia.org/wiki/G*Power

   G*Power is a free-to use software used to calculate statistical power. The program offers the ability to calculate power for a wide variety of statistical tests including t-tests, F-tests, and chi-square-tests, among others. Additionally, the user must determine which of the many contexts this test is being used, such as a one-way ANOVA versus ...

4. Sample size determination - Wikipedia

   en.wikipedia.org/wiki/Sample_size_determination

   Sample size determination. Sample size determination or estimation is the act of choosing the number of observations or replicates to include in a statistical sample. The sample size is an important feature of any empirical study in which the goal is to make inferences about a population from a sample. In practice, the sample size used in a ...

5. PS Power and Sample Size - Wikipedia

   en.wikipedia.org/wiki/PS_Power_and_Sample_Size

   PS Power and Sample Size. Windows. Also on Apple and Linux under Wine. Also available as an online tool. [1] PS is an interactive computer program for performing statistical power and sample size calculations. [2][3][4]

6. Power law - Wikipedia

   en.wikipedia.org/wiki/Power_law

   In statistics, a power law is a functional relationship between two quantities, where a relative change in one quantity results in a relative change in the other quantity proportional to a power of the change, independent of the initial size of those quantities: one quantity varies as a power of another. For instance, considering the area of a ...

7. Generalized mean - Wikipedia

   en.wikipedia.org/wiki/Generalized_mean

   Generalized mean. Plot of several generalized means . In mathematics, generalized means (or power mean or Hölder mean from Otto Hölder) [1] are a family of functions for aggregating sets of numbers. These include as special cases the Pythagorean means (arithmetic, geometric, and harmonic means).

8. List of statistical software - Wikipedia

   en.wikipedia.org/wiki/List_of_statistical_software

   Statistical tests, charts, probabilities, and clear results. Automatically checks assumptions, interprets results, and outputs graphs, histograms, and charts. Online statistics calculators support the test statistic and the p-value and more results like effect size, test power, and normality level.

9. PASS Sample Size Software - Wikipedia

   en.wikipedia.org/wiki/PASS_Sample_Size_Software

   PASS Sample Size Software. PASS is a computer program for estimating sample size or determining the power of a statistical test or confidence interval. NCSS LLC is the company that produces PASS. NCSS LLC also produces NCSS (for statistical analysis). PASS includes over 920 documented sample size and power procedures.