[R] Deltas or changes

Ista Zahn istazahn at gmail.com
Wed Mar 10 20:41:16 CET 2010

Please learn to Read The Fine Manual:


will give you the answer.


On Wed, Mar 10, 2010 at 8:43 AM, ManInMoon <xmoon2000 at googlemail.com> wrote:
> Hi, I am new to R.
> What does a negative amount in an index do?
> i.e. x[-lenght[x]]
> --
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.

Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology

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