"Alberto Monteiro" <[EMAIL PROTECTED]> writes:
> Is there any function that divides a sample into N quantiles?
>
> For example, for N = 2, this would be the solution:
>
> x <- rnorm(100)
> m <- median(x)
> q <- ifelse(x <= median, 1, 2)
Have a look at
> N <- 2
> table(cut(x,quantile(x,seq(0,1,1/N)), include.lowest=TRUE))
[-2.78,0.205] (0.205,2.22]
50 50
> table(cut(x,c(-Inf,quantile(x,(1:(N-1))/N),Inf)))
(-Inf,0.205] (0.205, Inf]
50 50
--
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