[R] how could I choose subvector of a vector?

[David Winsemius]

On Jan 26, 2011, at 2:48 PM, David Winsemius wrote:

>
> On Jan 26, 2011, at 2:42 PM, Akram Khaleghei Ghosheh balagh wrote:
>
>> Hello ;
>> How could I choose subvector of a vctor. for example if  
>> v=c(1,2,5,0,1), how
>> could I chose the (1,2) or (1,2,5).
>
> ?"["
>
> v[ c(1,2,5) ]

I didn't notice at first that you wanted the values 1,2,5 ...(thought  
you wanted the 1st 2nd and 5th (obviously not correct with only a 4  
element vector)... so your values would be accessed with

v[1:3]


>
>> thanks;
>>
>> 	[[alternative HTML version deleted]]

David Winsemius, MD
West Hartford, CT