[R] Deltas or changes

[Kevin E. Thorpe]

ManInMoon wrote:
> Because I am asking for help...
>
>   
In the time it has taken for you to ask your question and wait for 
answers, you could have experimented yourself and actually learned 
something.   The only way you will learn the language is to actually try 
using the language.

> On 10 March 2010 20:19, Kevin E. Thorpe [via R] <
> ml-node+1587986-1699461774-180445 at n4.nabble.com<ml-node%2B1587986-1699461774-180445 at n4.nabble.com>
>   
>> wrote:
>>     
>
>   
>> 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