powersim: simulation-based power analysis for linear and generalized linear models
A widespread tool in the context of a point null hypothesis significance testing framework is the computation of statistical power, especially in the planning stage of quantitative studies. However, asymptotic power formulas are often not readily available for certain tests, or are too restrictive in their underlying assumptions to be of much use in practice. The Stata package -powersim- exploits the flexibility of a simulation-based approach by providing a facility for automated power simulations in the context of linear and generalized linear regression models. The package supports a wide variety of uni- and multivariate covariate distributions, and all family and link choices that are implemented in Stata's -glm- command. The package mainly serves two purposes: first, it provides access to simulation-based power analyses for researchers without much experience in simulation studies. Second, it provides a convenient simulation facility for more advanced users who can easily complement the automated data generation with their own code for creating more complex synthetic datasets. The presentation will discuss some advantages of the simulation-based power analysis approach and will go through a number of worked examples to demonstrate key features of the package.
When requesting a correction, please mention this item's handle: RePEc:boc:norl13:13. See general information about how to correct material in RePEc.
For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: (Christopher F Baum)
If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.
If references are entirely missing, you can add them using this form.
If the full references list an item that is present in RePEc, but the system did not link to it, you can help with this form.
If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your profile, as there may be some citations waiting for confirmation.
Please note that corrections may take a couple of weeks to filter through the various RePEc services.