[R] plot an arrow / add arrow to a line

[Peter Ehlers]

For nicer arrows, there are also the p.arrows() function in
pkg:sfsmisc and the Arrows() function in pkg:IDPmisc.

  -Peter Ehlers

Sarah Goslee wrote:
> How about arrows() ?
> 
> On Tue, Oct 6, 2009 at 4:25 PM, Martin Batholdy <batholdy at googlemail.com> wrote:
>> hi,
>>
>> is it possible to end a line plotted with lines() with an arrow?
>> Or are there any other functions to add an arrow to plot?
>>
>>
>> thanks!
>>