[R] returning quartiles of a list?

[Thomas Lumley]

On Tue, 10 Jul 2001, Greg Trafton wrote:

> Hi, all.  I have a list:
>
> process <- c( 5 , 7 , 4 , 1 , 4 , 1)
>
> and I'd like to get each half (or each third or each quartile) of the list:
>

n<-length(process)
process[1:(n/2)]
process[(n/2):1]
process[(n/4):(n/2)]
etc, etc,


	-thomas


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