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Re: Error Bar Thoughts [message #74765 is a reply to message #74761]

Wed, 02 February 2011 10:32

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

David Fanning writes:

> As an offset from the data point?
>
> data = 5
> errlow = 0.1
> errhigh = 0.2

OK, if errors are passed in as "deltas" from the data point
are they always passed in as *positive* deltas, as I show above,
or is the low error passed in as a *negative* value. Is it
ever the case that the data point does NOT fall between
the high and low error? Is there a convention?

Cheers,

David

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

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[Message index]

		Re: Error Bar Thoughts By: Matt[2] on Wed, 02 February 2011 11:51
		Re: Error Bar Thoughts By: Gray on Wed, 02 February 2011 11:44
		Re: Error Bar Thoughts By: Gray on Wed, 02 February 2011 11:43
		Re: Error Bar Thoughts By: David Fanning on Wed, 02 February 2011 10:32
		Re: Error Bar Thoughts By: David Fanning on Wed, 02 February 2011 10:15
		Re: Error Bar Thoughts By: Robin Wilson on Wed, 02 February 2011 10:05
		Re: Error Bar Thoughts By: David Fanning on Wed, 02 February 2011 09:51
		Re: Error Bar Thoughts By: David Fanning on Wed, 02 February 2011 12:14

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