[R] converting a coloumn in a data set to a vector

[David Winsemius]

On Dec 14, 2013, at 6:34 AM, Patty Haaem wrote:

> Hi every one,
> I have a simple question. I want to make a vector from one of  the colomns in a data set. for example I have this data:
> x1 x2 x3
> 1   5   7
> 4   8   9
> 8    6  12
> 4   8   13
>  I want to convert x1 to a vector such as:
> x1= c(1,4,8,4)
> How I can do it?

?Extract

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David Winsemius
Alameda, CA, USA