comp.lang.idl-pvwave archive: archive » Re: Help setting up an array

Home » Public Forums » archive » Re: Help setting up an array

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: Help setting up an array [message #24424 is a reply to message #24423]

Thu, 29 March 2001 07:34

davidf
Messages: 2866
Registered: September 1996

Senior Member

Peter Thorne (peter.thorne@uea.ac.uk) writes:
>
> It is a real world problem, believe it or not! We have a number of
> observational parameters which we wish to regress against possible
> modelled causes in a system containing "noise". Output from this
> regression is effectively a cloud of potential solution points, an
> n-dimensional PDF (probability density function) ellipsoid. Previously
> we have only considered ellipsoids as single pieces of data. However, in
> this system we wish to assess the consistency of the model system and
> therefore need to intercompare m n-dimensional ellipsoids (where m
> distinct realisations are made through the regression analysis).
> Effectively we need to set up a system whereby the null hypothesis is
> that all m fields gained are equivalent (are sub-sampled from some true
> population). To gain a quantitative measure of this statistic it is
> required to integrate the fields over the n-dimensional phase space
> which is common to the m fields and gain the maximum probability
> function from the m fields for this integral. Maximum because the
> ellipsoids are not expected to have equal variance, distributions or
> orientation in the regression phase space.
>
> Well, you did ask ...

Job Wanted:

Former IDL programmer seeking position with light programming
responsibilities. Has modest ability to get colors right.
Tennis court nearby a distinct advantage. All inquires kept
confidential.

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438 E-Mail: davidf@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155

Report message to a moderator

[Message index]

		Re: Help setting up an array By: Pavel A. Romashkin on Fri, 30 March 2001 08:32
		Re: Help setting up an array By: davidf on Thu, 29 March 2001 13:56
		Re: Help setting up an array By: Craig Markwardt on Thu, 29 March 2001 13:23
		Re: Help setting up an array By: Pavel A. Romashkin on Thu, 29 March 2001 09:31
		Re: Help setting up an array By: Pavel A. Romashkin on Thu, 29 March 2001 09:25
		Re: Help setting up an array By: John-David T. Smith on Thu, 29 March 2001 08:47
		Re: Help setting up an array By: Jaco van Gorkom on Thu, 29 March 2001 07:33
		Re: Help setting up an array By: davidf on Thu, 29 March 2001 07:34
		Re: Help setting up an array By: Peter Thorne on Thu, 29 March 2001 06:58
		Re: Help setting up an array By: Jaco van Gorkom on Thu, 29 March 2001 03:16
		Re: Help setting up an array By: Martin Schultz on Thu, 29 March 2001 01:33
		Re: Help setting up an array By: Peter Thorne on Thu, 29 March 2001 00:47
		Re: Help setting up an array By: davidf on Wed, 28 March 2001 20:11
		Re: Help setting up an array By: John-David T. Smith on Wed, 28 March 2001 19:56
		Re: Help setting up an array By: Craig Markwardt on Wed, 28 March 2001 14:49
		Re: Help setting up an array By: John-David T. Smith on Wed, 28 March 2001 14:16
		Re: Help setting up an array By: Peter Thorne on Wed, 28 March 2001 13:54
		Re: Help setting up an array By: Paul van Delst on Wed, 28 March 2001 09:51
		Re: Help setting up an array By: Mark Fardal on Wed, 28 March 2001 10:11
		Re: Help setting up an array By: Pavel A. Romashkin on Wed, 28 March 2001 09:25

Previous Topic:	Re: solid arrow
Next Topic:	Wanted: Scientific Programmer

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Thu Oct 09 20:47:36 PDT 2025

Total time taken to generate the page: 0.88031 seconds