safeguard.r.data<-function(x, y, sig.level= .05, power = .8, conf = .80)
{
if(length(x) != length(y)) stop("x and y must have the same length")
r <- cor(x,y)
n <- length(x)
safeguard.r(r, n, sig.level = sig.level, power = power, conf = conf)
}
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