For continuous traits, the effective sample size is the total sample size;
For binary traits, the effective sample size is Ncase*Ncontrol/(Ncase+Ncontrol).
出自 https://www.bioconductor.org/packages/devel/bioc/manuals/ASSET/man/ASSET.pdf
标签：GWAS,effective,sample,ASSET,Ncase,size From： https://www.cnblogs.com/chenwenyan/p/17023334.html