Nothing
is.sampleLeng <- function(x) { # test for sampleLength
if(!is.numeric(x)){stop("The sampleLength you entered is not numeric!")}
if(!is.na(x[2])){stop("The sampleLength you entered is a vector!")}
if(!(x>0)){stop("The sampleLength you entered is zero or less!")}
if(!(x<1)){stop("The sampleLength you entered is one or more!")}
}
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