To cite the app use:
Schoemann, A. M., Boulton, A. J., & Short, S. D. (2017). Determining power and sample size for simple and complex mediation models. Social Psychological and Personality Science, 8, 379-386.
To run the app automatically on your local machine use the following code in R (or RStudio):
library(shiny) # Easiest way is to use runGitHub from the shiny package runGitHub("mc_power_med", "schoam4")
A (unproofed) copy of the manuscript detailing the app can be found here.
The shiny and MASS packages must be installed to use the app (MASS is loaded automatically by the app).
For technical details please consult the Technical Appendix.