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corfun
2011 May 16
3
Simulating correlations with varying sample sizes
Hi there,
I would like to draw 10 correlations from a bivariate population - but every
draw should be done with a different sample size. I thought I could to this
with a loop:
r=numeric(10) #Goal vector
N = c(1000,100,80,250,125,375,90,211,160,540) #Sample size vector
for(i in 1:10) {
data <- mvrnorm(n=N,mu=c(0,0),Sigma=matrix(c(1,.3,.3,1),2))
r[i] <- cor(data[,1],data[,2])
}