Hi,
Here assume there are four elements in the ordinal set y and take a random
sample of size 10 according to the cumulative distribution given, or
probability distribution p below.
> y <- c(levels = c("First", "Second", "Third", "Fourth"))
> y
levels1 levels2 levels3 levels4
"First" "Second" "Third" "Fourth"
> (x <- c(1/9, 1/4, 3/5, 1))
[1] 0.1111111 0.2500000 0.6000000 1.0000000
> p <- c(x[1], x[2]-x[1], x[3]-x[2], x[4]-x[3])
> p
[1] 0.1111111 0.1388889 0.3500000 0.4000000
> sample(y, 10, replace=TRUE, prob=p)
levels2 levels4 levels4 levels3 levels1 levels3 levels4 levels2
levels4 levels3
"Second" "Fourth" "Fourth" "Third" "First" "Third" "Fourth" "Second"
"Fourth" "Third"
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