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Re: Incorrect behavior of /NAN [message #30167 is a reply to message #30033]

Thu, 04 April 2002 13:52

Paul van Delst
Messages: 364
Registered: March 1997

Senior Member

Mark Hadfield wrote:
>
> "Paul van Delst" <paul.vandelst@noaa.gov> wrote in message
> news:3CAC9914.B52D1669@noaa.gov...
>> Seems reasonable to me. It only sums the data not flagged as missing. If
>> all the data is missing, the sum of nothing is, well, nothing.
>
> And IDL normally uses NaN ("Not a Number") to represent nothing.

Huh. I though that's what zero was for. Or is a throwback from Roman times:

... -V -IV -III -II -I NaN I II III IV V ......

paulv

--
Paul van Delst Religious and cultural
CIMSS @ NOAA/NCEP purity is a fundamentalist
Ph: (301)763-8000 x7274 fantasy
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[Message index]

		Incorrect behavior of /NAN By: K. Bowman on Thu, 04 April 2002 07:40
		Re: Incorrect behavior of /NAN By: Craig Markwardt on Sat, 06 April 2002 07:46
		Re: Incorrect behavior of /NAN By: Kenneth P. Bowman on Sat, 06 April 2002 06:28
		Re: Incorrect behavior of /NAN By: David Fanning on Fri, 05 April 2002 17:57
		Re: Incorrect behavior of /NAN By: James Kuyper on Fri, 05 April 2002 14:53
		Re: Incorrect behavior of /NAN By: K. Bowman on Fri, 05 April 2002 14:25
		Re: Incorrect behavior of /NAN By: Craig Markwardt on Fri, 05 April 2002 13:53
		Re: Incorrect behavior of /NAN By: Paul van Delst on Fri, 05 April 2002 07:35
		Re: Incorrect behavior of /NAN By: Paul van Delst on Thu, 04 April 2002 13:52
		Re: Incorrect behavior of /NAN By: K. Bowman on Mon, 15 April 2002 06:47
		Re: Incorrect behavior of /NAN By: noymer on Sun, 14 April 2002 18:32

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