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Re: rebin and !values.f_nan [message #54881 is a reply to message #54880]

Sun, 15 July 2007 18:59

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

kuyper writes:

> I haven't had to do this with IDL, so I didn't realize that IDL
> handled it inconveniently. What I would normally want to have happen
> when re-binning data with NaNs is that every element of the output
> array whose calculation involved one of the NaN's in the input array
> would itself contain a NaN, while all the other elements of the array
> would be calculated normally. That's not something that could be
> achieved by the approach you suggest. If that's a feature not already
> provided as an option by rebin, it should be.

In my little experiment, that is *exactly* how it
worked. And how I would have expected it to work, too.
How could IDL do anything else and not be accused of
"created data where none exists."

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]

		Re: rebin and !values.f_nan By: Dick Jackson on Mon, 16 July 2007 00:03
		Re: rebin and !values.f_nan By: David Fanning on Sun, 15 July 2007 21:17
		Re: rebin and !values.f_nan By: James Kuyper on Sun, 15 July 2007 21:04
		Re: rebin and !values.f_nan By: David Fanning on Sun, 15 July 2007 18:59
		Re: rebin and !values.f_nan By: James Kuyper on Sun, 15 July 2007 18:42
		Re: rebin and !values.f_nan By: David Fanning on Sun, 15 July 2007 15:13
		Re: rebin and !values.f_nan By: Nick[1] on Sun, 15 July 2007 14:20
		Re: rebin and !values.f_nan By: David Fanning on Sun, 15 July 2007 09:20

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