You could use ggplot2: library(ggplot2) x=rnorm(100) y=rnorm(100) df=melt(data.frame(x,y)) #for "vertical" histogram ggplot(data=df,aes(x=value))+geom_histogram()+facet_grid(.~variable) #for "horizontal" histogram ggplot(data=df,aes(x=value))+geom_histogram()+facet_grid(.~variable) + coord_flip()
Ciao, domenico David Daniel wrote: > You might look at the method histbackback (back-to-back histograms) in > package Hmisc. At the time I looked at this package about a year ago, > I could not get it working on my Mac, so I don't actually know what > the results look like, but I have created them before in XLispStat and > found them useful. From posts I've seen more recently, I believe that > whatever the problem I was encountering previously on the Mac has been > resolved. > > -David > > >> I have two vectors x and z, and I want to display the histograms of >> both >> vectors in the same graph, x in red bars, z in blue bars. >> If you have any clue on how to do that, I will be very glad to hear >> it!!!!!! >> Thanks in advance again, >> > > ---------------------------------- > David Daniel > Associate Professor > University Statistics Center > New Mexico State University > > [EMAIL PROTECTED] > > ______________________________________________ > 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. > > ______________________________________________ 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.
