Asked by John
on 5 Oct 2012

Hi there,

I'm trying to overlay a cdf plot over a histogram like in this picture

https://dl.dropbox.com/u/54057365/All/hist.JPG

I'm using this code but the cdf plot is not showing up over the histogram.

hist(x) hold on cdfplot(x)

I would appreciate any help.

Thanks

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Answer by Tom Lane
on 5 Oct 2012

Edited by Tom Lane
on 6 Oct 2012

Accepted answer

It's there but it's on the histogram scale and it is obscured by the bars. Try this instead to put the cdf on a separate y axis:

x = randn(30,1); [y2,x2] = ecdf(x); [y1,x1] = hist(x); plotyy(x1,y1,x2,y2,@(x,y)bar(x,y,1,'c'),'stairs')

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