This Genetic Association Study (GAS) Power Calculator is a simple interface that can be used to compute statistical power for large one-stage genetic association studies. The underlying method is derived from the CaTS power calculator for two-stage association studies (2006).

Principal investigator: Dr. Goncalo Abecasis
Web developer and designer: Jennifer Li Johnson
Web development support: Christopher Clark, Kevin Wei Li, and Sean Caron

Sponsored by University of Michigan School of Public Health Department of Biostatistics Center for Statistical Genetics
Adapted from Dr. Andrew Skol's CaTS power calculator 2006
Made with Bootstrap 3, Bootstrap Select, noUiSlider, Highcharts - v4.2.5, jQuery - v1.10.2, jQuery UI - v1.11.4, Mathjax

Tell us what you think! Let us know if you have any questions, comments, or catch any bugs and we'll get back to you as soon as we can.
Please email Jennifer at jenlij@umich.edu. Thank you!