182859/rnorm-function-in-r-usage
I understand the normal usage of rnorm (pardon the pun)
rnorm(n, mean = 0, sd = 1)
However, I came across the code below and I am not sure what the 2nd input array does as the mean.
y <- rnorm(12, rep(c(1,2,1), each=4),0.2)
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