ovlay cdf plot on histogram

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

Answer 1

[Tom Lane]

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')

[Giuseppe Degan Di Dieco]

Dear Tom,

thank you for your explanation.

It helped me to produce the graph attached.

Best.

Best.