Re: [R] Smooth line in graph

2007-09-20 Thread Greg Snow
al Message- > From: Nestor Fernandez [mailto:[EMAIL PROTECTED] > Sent: Thursday, September 20, 2007 4:02 AM > To: [EMAIL PROTECTED] > Cc: Greg Snow > Subject: Re: [R] Smooth line in graph > > Sorry, I answered too quickly. > It worked with the "simplif

Re: [R] Smooth line in graph

2007-09-20 Thread Nestor Fernandez
Sorry, I answered too quickly. It worked with the "simplified" example I provided but not with non-regular intervals in x: x<-c(-45,67,131,259,347) y <- c(0.31, 0.45, 0.84, 0.43, 0.25) plot(x,y) lines(spline(x,y, method='n', n=250)) #or: lines(predict(interpSpline(x, y))) Produce the same decre

Re: [R] Smooth line in graph

2007-09-20 Thread Nestor Fernandez
Both worked, thanks! N. Fernandez > Katharine Mullen: > > require(splines) > x<-1:5 > y <- c(0.31, 0.45, 0.84, 0.43, 0.25) > yy <-predict(interpSpline(x, y)) > plot(x, y) > lines(yy) > > Greg Snow: > lines(spline(x,y, method='n', n=250)) __ R-help@

Re: [R] Smooth line in graph

2007-09-19 Thread Greg Snow
Try: > lines(spline(x,y, method='n', n=250)) -- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare [EMAIL PROTECTED] (801) 408-8111 > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Nestor Fernandez > Sent: Wednesday,

Re: [R] Smooth line in graph

2007-09-19 Thread Katharine Mullen
how about: require(splines) x<-1:5 y <- c(0.31, 0.45, 0.84, 0.43, 0.25) yy <-predict(interpSpline(x, y)) plot(x, y) lines(yy) Katharine Mullen mail: Department of Physics and Astronomy, Faculty of Sciences Vrije Universiteit Amsterdam, de Boelelaan 1081 1081 HV Amsterdam, The Netherlands ro