[R] How do I subtract sequential values ?

Michael Bedward michael.bedward at gmail.com
Mon Nov 29 05:41:18 CET 2010

On 29 November 2010 15:09, Joshua Wiley <jwiley.psych at gmail.com> wrote:
> (I hope I'm like wine and get better with age or....)

Sigh, me too - but I suspect I'm heading more towards vinegar


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