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How to make frequency density scatter plot? [message #90276] Wed, 18 February 2015 07:48 Go to next message
atmospheric physics is currently offline  atmospheric physics
Messages: 121
Registered: June 2010
Senior Member
Hello,

I have an x- and y- arrays of equal dimension. (Note that some NaNs do exist in the y-array). While I was able to make a simple scatter plot, I wanted to do the same as frequency density scatter plot. y-array is actually a correlation data ranging from -1.0 to +1.0. Can anyone provide me an example to make a frequency density scatter plot with colorbar indicating the frequency of occurrence of the y-array values?

Thanking you in advance,
Madhavan
Re: How to make frequency density scatter plot? [message #90278 is a reply to message #90276] Wed, 18 February 2015 08:07 Go to previous message
David Fanning is currently offline  David Fanning
Messages: 11724
Registered: August 2001
Senior Member
Madhavan Bomidi writes:

> I have an x- and y- arrays of equal dimension. (Note that some NaNs do exist in the y-array). While I was able to make a simple scatter plot, I wanted to do the same as frequency density scatter plot. y-array is actually a correlation data ranging from -1.0 to +1.0. Can anyone provide me an example to make a frequency density scatter plot with colorbar indicating the frequency of occurrence of the y-array values?

http://idlcoyote.com/gallery/index.html#DENSITY_PLOT

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thue. ("Perhaps thou speakest truth.")
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