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There is an updated and much better version of this web page here: https://infovoice.se/gpower-eng/
| Suggested pre-reading | What this web page adds |
|---|---|
| This web-page provides an introduction to the statistical software G*Power. Reading this will give you enough knowledge to be able to try doing simple things in G*Power. |
(Still under construction but there is some useful information below.)
G*Power is a software that can make sample size calculations and power estimations. It can manage most types of statistical tests except Cox regression. G*Power can be downloaded from Dussedorf University.
Examples for comparing two groups
Click to watch any of these videos.
[expand title=”Example 1 of sample size calculation for comparing two groups – T-test and Mann-Whitneys test”]
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[expand title=”Example 2 of sample size calculation for comparing two groups – T-test and Mann-Whitneys test”]
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Example for Logistic regression
Click to watch any of these videos.
[expand title=”Example of sample size calculation for unconditional binary Logistic regression when the independent variable is binary (such as gender)”]
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Useful links
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