[R] Deltas or changes

[Kevin E. Thorpe]

ManInMoon wrote:
> Hi, I am new to R.
>
> What does a negative amount in an index do?
>
> i.e. x[-lenght[x]]
>   
Why don't you try it and see for yourself?

-- 
Kevin E. Thorpe
Biostatistician/Trialist, Knowledge Translation Program
Assistant Professor, Dalla Lana School of Public Health
University of Toronto
email: kevin.thorpe at utoronto.ca  Tel: 416.864.5776  Fax: 416.864.3016