Re: [R] trying to superimpose a line plot onto a histogram

From: milton ruser <milton.ruser_at_gmail.com>
Date: Sat, 05 Jul 2008 10:55:36 -0300

How about the answer by Demitris?

Regards a lot,

miltinho



From: Dimitris Rizopoulos <dimitris.rizopoulos_at_med.kuleuven.be> Date: Jun 16, 2008 4:05 AM
Subject: Re: [R] Superimposing Line over Histogram in Density Plot To: Gundala Viswanath <gundalav_at_gmail.com> Cc: r-help_at_stat.math.ethz.ch

try something like this:

x <- rnorm(200)
hist(x, col = "blue", freq = FALSE)
lines(density(x), col = "red", lwd = 2)

On 7/5/08, Edwin Lei <unlucky24_at_hotmail.com> wrote:
>
> Hello,
>
> I'm trying to superimpose a line plot onto a histogram but I'm not having
> any luck. I've attached the dataset. What I did was:
>
> > hist(data,freq=F)

>
> Now I'm trying to superimpose the following points with a line connecting
> them onto the histogram:
>
> x y
> 100 0.535665393824959
> 200 0.212744329736556
> 300 0.0844933242968584
> 400 0.0335572838043417
> 500 0.0133275771274986
> 600 0.00529316714442912
> 700 0.0021022289461042
> 800 0.000834919136549392
> 900 0.000331595645597124
> 1000 0.000131696193518099
> 1100 5.2304327929049e-05
> 1200 2.07731343406939e-05
>
> Basically, the x values correspond to the break points in the histogram.
> Next I used the command
>
> > points(x,y,type="l")
>
> But for some reason, the line plot is shifted to the right and doesn't line
> up with the histogram.
>
> Thanks for the help!
>
> Edwin Lei
>
> ______________________________________________
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>
>
>

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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. Received on Sat 05 Jul 2008 - 13:59:48 GMT

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