S . Am getting error still now if i use both version of the codes . i have to call any library?
On Tue, May 24, 2011 at 9:22 AM, Steve Lianoglou < mailinglist.honey...@gmail.com> wrote: > Hi, > > On Mon, May 23, 2011 at 11:41 PM, Rekha <chithralekh...@gmail.com> wrote: > > Hello All,* > > > > *I want to draw a histogram with density curve. * > > > > *For that simply i created a data called*"x" *and i used the function > called > > * hist(x, col = "blue", freq = FALSE),** *from this function i got a > > histogram*. > > > > *After that , i tried this function* ** lines(density(x), col = "red", > lwd > > = 2 ) *but i could not get the density curve. > > > > So, Again i used other function* curve(dnorm, col = 2, add = TRUE)** > > *instead of the previous function for density curve. > > > > but still am getting error in R like this: > > > > Error in plot.xy(xy.coords(x, y), type = type, ...) > > plot.new has not been called yet" > > > > > > * I have used below codes to have a data and histogram with density > curve" > > > > x <- rnorm(200) > > hist(x, col = "blue", freq = FALSE) > > lines(density(x), col = "red", lwd = 2) > > You should use the code above. > > I don't get it though -- this is working fine for me. Are you getting > the "plot.new" error for both versions of your code? > > Although I feel like in 99% of the time this won't be necessary, but > what happens if you call `plot.new()` before your call to hist? > > eg: > > R> x <- rnorm(200) > R> plot.new() > R> hist(x, col = "blue", freq = FALSE) > R> lines(density(x), col = "red", lwd = 2) > > Does that work? If not -- what if you use `dev.new()` in place of > `plot.new()`? > > -steve > > -- > Steve Lianoglou > Graduate Student: Computational Systems Biology > | Memorial Sloan-Kettering Cancer Center > | Weill Medical College of Cornell University > Contact Info: http://cbio.mskcc.org/~lianos/contact > -- *Best Regards, Reka. * [[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.
