Nothing
Opt.sig.norm.test <-
function(ncp=NULL,d=NULL,n=NULL,p=0.5,k=1,alternative="two.sided",Figure=TRUE){
alphavec=seq(0.00001,1,0.00001)
if (!is.null(ncp) & is.null(d)){
if (alternative=="less") betavec=1-pnorm(qnorm(alphavec),mean=ncp)
if (alternative=="greater") betavec=pnorm(-qnorm(alphavec),mean=ncp)
if (alternative=="two.sided") betavec=(1-pnorm(qnorm(0.5*alphavec),mean=-abs(ncp))) + pnorm(-qnorm(0.5*alphavec),mean=abs(ncp))
}
if (!is.null(d) & is.null(ncp) ) betavec = 1-pwr.norm.test(d=d,n=n,sig.level=alphavec,power=NULL,alternative)$power
M=E.loss(alphavec,betavec,p,k,Figure)
alphas=M$alpha.opt
return(list(alpha.opt=alphas,beta.opt=M$beta.opt))}
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