[R] drawing arrows

[Duncan Murdoch]

On 5/15/2009 12:43 PM, christophe dutang wrote:
> Hi,
> 
> I would like to draw arrows in a classic 2D plot. Which package should I
> use? is there R base functions that do job?
> 
> On google, I could not find any useful discussion about this topic, except a
> link to the function 'grid.arrows' of the grid package.
> 
> My problem is I would like to draw arrows at the edge of circles drawn by
> the 'symbols' function. Maybe there is already a dedicated function for
> this?
> 
> Any help is appreciated.


See ?arrows.

Duncan Murdoch