Why don't you try it and see?
data.frame(x=1:5, y=letters[1:5])
expand.grid(x=1:5, y=letters[1:5])
?data.frame
?expand.grid
On Fri, Jun 28, 2013 at 8:30 AM, Zhaoran Zhou <zhaoran1...@gmail.com> wrote:
> Hello everyone,
>
> i found that both of the 2 functions ("expand.grid" and "data.frame") can
> be used to produce data frame. are there any difference between them?
>
> thanks for your help!
>
> zhaoran
>
> [[alternative HTML version deleted]]
>
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