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Re: Some histogram magic help required - gridding/counting large dataset [message #88173 is a reply to message #88153]

Tue, 25 March 2014 09:10

Phillip Bitzer
Messages: 223
Registered: June 2006

Senior Member

On Tuesday, March 25, 2014 5:11:03 AM UTC-5, rj...@le.ac.uk wrote:
> I have 2 large datasets that I want to plot as the x and y data on a scatter plot.
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>
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> However I'd also like to grid this data in the x and y direction and count how many datapoints fall into each grid cell.
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>

Here's a snippet for how to do what (I think) you're asking:

https://www.dropbox.com/s/j9ffh1ns3wcguq4/histo_notes.pdf

In the notes, h2d will contain the counts per bin.

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[Message index]

		Some histogram magic help required - gridding/counting large dataset By: rjp23 on Tue, 25 March 2014 03:11
		Re: Some histogram magic help required - gridding/counting large dataset By: Andy Sayer on Tue, 25 March 2014 05:56
		Re: Some histogram magic help required - gridding/counting large dataset By: rjp23 on Tue, 25 March 2014 07:59
		Re: Some histogram magic help required - gridding/counting large dataset By: David Fanning on Tue, 25 March 2014 08:28
		Re: Some histogram magic help required - gridding/counting large dataset By: Phillip Bitzer on Tue, 25 March 2014 09:10

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