[R] help with vector construction

[John Kane]

Or an alternative to Henrique's if you want to select
all the rows from row 2 up to the  3*n row this may
work.

 n  <- 2
 myvector <- data1[2:(2*n), 3]


--- Juan Pablo Fededa <jpfededa at gmail.com> wrote:

> Hi all,
> 
> I want to make a vector with the third column of a
> matrix, but only for the
> 2+3n rows of the matrix, with n being an entire
> number from 0 to a million.
> How can I do that in an easy way?
> Thanks in advance,
> 
> Juan Pablo
> 
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