Without your code it is impossible to say why you are getting the error message.
However, are you aware that you need to have a classifying variable to set the colours? Try this to see if it is something like what you want. ====================================================================== library(ggplot2) dd <- rnorm(100, 5, 2) cuts <- cut(dd, breaks =c(3,5,7)) mydata=data.frame(dd,cuts) p=qplot(dd, data=mydata, geom_histogram="histogram", fill = cuts) p ====================================================================== --- On Tue, 7/21/09, rajesh j <akshay.raj...@gmail.com> wrote: > From: rajesh j <akshay.raj...@gmail.com> > Subject: Re: [R] geom_histogram help > To: "Uwe Ligges" <lig...@statistik.tu-dortmund.de> > Cc: r-help@r-project.org > Received: Tuesday, July 21, 2009, 9:00 AM > its a function in ggplot2 for > plotting complicated histograms. > > 2009/7/21 Uwe Ligges <lig...@statistik.tu-dortmund.de> > > > > > > > rajesh j wrote: > > > >> Hi, > >> I have a histogram.But I need seperate colours for > fixed range of > >> values.for > >> eg. between 2-3 on the x axis a colour.3-4 another > colour etc. and the > >> legend has to say what each colour is.How can this > be done in > >> geom_histogram? > >> > > > > > > > geom_histogram > > Error: object 'geom_histogram' not found > > > > > > Hmnmm, looks liek we are not talking about base R? > > Hard to help without knowing which function from which > package we are > > talking about.... > > > > Uwe Ligges > > > > > > -- > Rajesh.J > > [[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. > __________________________________________________________________ Looking for the perfect gift? Give the gift of Flickr! http://www.flickr.com/gift/ ______________________________________________ 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.