Thanks. I think I've got it. However, the density is plotted, not the frequency. Is there a way to convert the density back to frequency. Thanks a bunch.
Anh Tran On Thu, Jun 19, 2008 at 3:33 PM, milton ruser <[EMAIL PROTECTED]> wrote: > Hi Anh, > > How about the reply by Dimitris? > > Kind regards, > > miltinho > Brazil > > ---------- Forwarded message ---------- > From: Dimitris Rizopoulos <[EMAIL PROTECTED]> > Date: Jun 16, 2008 4:05 AM > Subject: Re: [R] Superimposing Line over Histogram in Density Plot > To: Gundala Viswanath <[EMAIL PROTECTED]> > Cc: [EMAIL PROTECTED] > > try something like this: > > x <- rnorm(200) > hist(x, col = "blue") > lines(density(x), col = "red", lwd = 2) > > > I hope it helps. > > Best, > Dimitris > > ---- > Dimitris Rizopoulos > Biostatistical Centre > School of Public Health > Catholic University of Leuven > > > > On 6/19/08, Anh Tran <[EMAIL PROTECTED]> wrote: > >> Hi all, >> What parameter should I feed to the hist function to draw a line, not bar >> graph for a histogram? Smoothed line would be great too. >> I've looked at curve() for normal distribution but it's not what I need. I >> need some curve on top of the histogram (fit to the actual data). Just as >> a >> way to illustrate, rather than bargraph. >> >> Thanks >> >> -- >> Regards, >> Anh Tran >> UCLA NeuroOncology Lab >> >> [[alternative HTML version deleted]] >> >> ______________________________________________ >> R-help@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide >> http://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. >> > > -- Regards, Anh Tran [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.