[R] how can i superpose 2 graphs

[Dieter Menne]

hanen <hanen.mastouri <at> yahoo.fr> writes:
> 
> i tried to do this by:
> par(new=TRUE)
> 
> but the result is one picture but y-axis has 2 différent graduations.how can
> i correct this?( i want one graduation on y axis).


?lines
?points


Dieter