R help - Nov 2011 - Superimpose xversus y plot on a histogram of x

I need a plot with a histogram z and a plot of z versus y superimposed.
This is not working...
z = rnorm(1000)
y = rnorm(1000,1,2)
hist(z)
dx = plot(z, y, lwd = 1)
lines(dx, add=TRUE)



-- 
Thanks,
Jim.

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Plot doesn't create an object to be plotted later like in ggplot: rather it,
by default, makes a new plot and erases the histogram.
> hist(z)
> lines(z, y, lwd = 1)
should work, though you may need to add freq=FALSE to hist()

MW

On Nov 1, 2011, at 6:42 PM, Jim Silverton <jim.silverton@gmail.com> wrote:
> I need a plot with a histogram z and a plot of z versus y superimposed.
> This is not working...
> z = rnorm(1000)
> y = rnorm(1000,1,2)
> hist(z)
> dx = plot(z, y, lwd = 1)
> lines(dx, add=TRUE)
> 
> 
> 
> -- 
> Thanks,
> Jim.
> 
>    [[alternative HTML version deleted]]
> 
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