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Re: Histogram [message #72827 is a reply to message #44556]

Mon, 11 October 2010 06:51

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

silje writes:

> I'm trying to get a grip of the Histogram function in IDL, but have
> run into a problem that I don't understand. As you can see from the
> code below I have created an array with six differend elements,but
> when I call HISTOGRAM with a binsize equal to 0.1 then it seems like
> 1.2 and 1.3 is put in the same bin. Why is this?

Because your numbers are falling on the Razor's Edge:

http://www.dfanning.com/math_tips/razoredge.html

Cheers,

David

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

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[Message index]

		Histogram By: James[1] on Tue, 28 June 2005 09:24
		Re: Histogram By: R.G. Stockwell on Fri, 01 July 2005 11:37
		Re: histogram By: rinceboy on Wed, 12 August 2009 07:12
		Re: histogram By: jameskuyper on Wed, 12 August 2009 06:15
		Re: histogram By: rinceboy on Wed, 12 August 2009 04:00
		Re: histogram By: David Fanning on Tue, 11 August 2009 10:17
		Re: histogram By: Maxwell Peck on Mon, 29 March 2010 03:08
		Re: Histogram By: David Grier on Mon, 11 October 2010 07:16
		Re: Histogram By: David Fanning on Mon, 11 October 2010 06:51
		Re: HISTOGRAM By: d.poreh on Wed, 23 January 2013 05:06
		Re: HISTOGRAM By: Helder Marchetto on Wed, 23 January 2013 03:44
		Re: HISTOGRAM By: Mats Löfdahl on Wed, 23 January 2013 03:26

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