We have also developed an online calculator (GCTA Power Calculator, http://spark.rstudio.com/ctgg/gctaPower), as part of the GCTA [13] software package (http://ctgg.qbi.uq.edu.au/software/gcta), using R-Shiny (http://shiny.rstudio.org) to calculate the SE of genetic variance or genetic correlation and statistical power given user-defined parameters.
