[R] cut a vector in equal parts

[David L Carlson]

Insert "include.lowest=TRUE" or the lowest value will get dropped (assigned
NA):

split(x, cut(x, quantile(x, probs = seq(0, 1, by = 0.2)),
include.lowest=TRUE))

----------------------------------------------
David L Carlson
Associate Professor of Anthropology
Texas A&M University
College Station, TX 77843-4352


> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Rui Barradas
> Sent: Tuesday, February 26, 2013 1:59 PM
> To: Martin Batholdy
> Cc: r-help at r-project.org
> Subject: Re: [R] cut a vector in equal parts
> 
> Hello,
> 
> Try the following.
> 
> x <- rnorm(500)^2
> split(x, cut(x, quantile(x, probs = seq(0, 1, by = 0.2))))
> 
> 
> Hope this helps,
> 
> Rui Barradas
> 
> Em 26-02-2013 17:39, Martin Batholdy escreveu:
> > Hi,
> >
> > I would like to cut a vector of values in parts.
> > Each part should have an equal number of elements.
> >
> > for example:
> >
> > x <- (rnorm(500)^2)
> >
> > now I want 5 vectors each with 100 elements.
> > The first vector should include the 100 lowest values of x and so on
> > (so that the fifth vector contains the 100 highest values of x).
> >
> >
> > thanks for any help!
> >
> > ______________________________________________
> > R-help at r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide http://www.R-project.org/posting-
> guide.html
> > and provide commented, minimal, self-contained, reproducible code.
> >
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-
> guide.html
> and provide commented, minimal, self-contained, reproducible code.