Thanks Greg!

On Wed, Jun 18, 2014 at 11:15 AM, Greg Snow <538...@gmail.com> wrote:

> First you should do your best to forget that you ever saw the command
> "par(new=T)", rip that page out of any book you saw it in, blacklist
> any webpage etc.  In general (as you see) it causes more problems than
> it solves.
>
> Now to do what you want there are a couple of options, one of the
> simplest is to use the lines function:
>
> d1 <- density(x1)
> d2 <- density(x2)
> plot(d1, xlab='', col='red',main='', ylim=range(d1$y,d2$y),
> xlim=range(d1$x,d2$x) )
> lines(d2, col='blue')
>
> Other options include the matplot function or tools in the lattice and
> ggplot2 packages.
>
> On Wed, Jun 18, 2014 at 8:48 AM, Brian Smith <bsmith030...@gmail.com>
> wrote:
> > Hi,
> >
> > I wanted to plot two different density profiles. My code looks like:
> >
> >
> > x1 <- rnorm(100,mean=0,sd=1)
> > x2 <- rnorm(100,mean=1,sd=1)
> >
> > plot(density(x1),xlab="",col="red",main="")
> > par(new=T)
> > plot(density(x2),xlab="",col="blue",main="")
> >
> >
> > However, the x-axis values don't match up for the two plots. Is there a
> way
> > I can fix the axis so that the two plots are comparable? Similarly for
> the
> > y-axis...
> >
> > thanks!
> >
> >         [[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.
>
>
>
> --
> Gregory (Greg) L. Snow Ph.D.
> 538...@gmail.com
>

        [[alternative HTML version deleted]]

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