Re: [R] how can i superpose 2 graphs

Hi there, Perhaps: set.seed(122) x=1:50 y1=2*x+x^2 y2=x^2 plot(x,y1,ylim=range(y1,y2),type='l',ylab=expression(f(x)),xlab='x', main='Two superimposed graphs') points(x,y2,type='l',col=2) legend(topleft,c(expression(f(x)==2*x+x^2),expression(f(x)==x^2)),lty=1,col=1:2) Also you could check ?curve

[R] how can i superpose 2 graphs

Hio 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). -- View this message in context: http://www.nabble.com/how-can-i-superpose-2--graphs-tp17305355p17305355.html Sent from the

Re: [R] how can i superpose 2 graphs

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 __