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Re: dual histogram stumper [message #33295]

Mon, 16 December 2002 14:21

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

paul wisehart (paul_wisehart@ssaihq.com) writes:

> I have 2 histograms ... A and B
> A=histogram(a) B=histogram(b)
> they have same xrange, but different yrange.
>
> I have the ratio of the n_elements(a)/n_elements(b)
>
> NOW, I want to plot them on top of each other so they
> are normalized.
> AND, the left y-axis shows A's range,
> the right axis shows B's range.
>
> I can achieve most of the objectives if I :
> (1) plot A
> (2) normalize B
> (3) oplot B
>
> the problem is this leaves out B's y-axis.
>
> instead of normalizing B , I want to normalize B's plot.
>
> possible??

With IDL!? Pfft. Of course.

http://www.dfanning.com/tips/another_yaxis.html

Cheers,

David

--
David W. Fanning, Ph.D.
Fanning Software Consulting, Inc.
Phone: 970-221-0438, E-mail: david@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155

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		Re: dual histogram stumper By: David Fanning on Mon, 16 December 2002 14:21
		Re: dual histogram stumper By: jeyadev on Tue, 17 December 2002 13:52

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