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Re: No removal of "NaN" while plotting on both PLOT and iPLOT [message #59756 is a reply to message #59755]

Tue, 08 April 2008 17:46

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

chpark815@gmail.com writes:

> My time series data has a lot of "NaN", which was made by "!
> Values.f_nan". The weird thing is that whenever I try to plot the
> whole data, some "NaN"s are still plotting. (Some are not.)

I find this, uh, hard to believe. :-)

> Data's average is 400.0+/- 50.0. Where the data points have "NaN", the
> plot shows me outliers, very long vertical line going down to the
> 200.0. Why 200 ?. Even though there is no about 200. values in the
> data set.
>
> Anybody has the same experience? Help me~~~~

Try adding PSYM=-2 to your plot command and see if that
sheds some light. I think you have data in your vector
that you don't know about.

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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		Re: No removal of "NaN" while plotting on both PLOT and iPLOT By: chpark815 on Tue, 08 April 2008 17:59
		Re: No removal of "NaN" while plotting on both PLOT and iPLOT By: David Fanning on Tue, 08 April 2008 17:46

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