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Author Topic: Nonlinear Dimensionality Reduction Technique  (Read 3965 times)
Ingo Mierswa
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« on: May 23, 2008, 11:34:51 PM »

Original message from SourceForge forum at http://sourceforge.net/forum/forum.php?thread_id=2033899&forum_id=390413

Hello all,
 
Are there any plans to include Nonlinear Dimensionality Reduction techniques like ISOMAP and LLE in RM?
 
Regards,
Vijay


Answer by Jean-Charles:

Hi Vijay,
 
I do not know the techniques you quoted. Are they related to kernel-based PCA ?
Cheers,
Jean-Charles.


Answer by Ingo Mierswa:

At least we already plan a Kernel-PCA for the next release.
 
Cheers,
Ingo
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vps
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« Reply #1 on: June 06, 2008, 10:25:50 PM »

Here is the useful link for the A Global Geometric Framework for Nonlinear
Dimensionality Reduction

http://isomap.stanford.edu/

Regards,
Vijay
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Ingo Mierswa
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« Reply #2 on: June 08, 2008, 12:46:12 PM »

Hello Vijay,

thanks for pointing this out. We will have a look into this and see if we can incorporate these techniques. By the way: the latest CVS version (and also the next release) already contain a Kernel-PCA.

Cheers,
Ingo
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« Reply #3 on: June 08, 2008, 04:12:01 PM »

That's great. I look forward to try new features. CVS version is on the sourgeforge.net?

Regards,
VIjay
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Ingo Mierswa
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« Reply #4 on: June 08, 2008, 04:19:53 PM »

Hi,

yes. You can find a description about how to access the CVS version at

http://rapid-i.com/content/view/25/48/

Cheers,
Ingo
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jean-charles
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« Reply #5 on: August 13, 2008, 11:45:43 AM »

Hi All,

After "kernel-PCA", here is "kernel-ICA". Would it be implemented for RM 5.0 ?
http://portal.acm.org/citation.cfm?id=944920&dl=ACM&coll=&CFID=40301519&CFTOKEN=40825056

Cheers,
   Jean-Charles.
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Ingo Mierswa
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« Reply #6 on: August 14, 2008, 05:59:19 PM »

This is actually already on our todo list. So let's see if we manage to add it until 5.0  Wink

Cheers,
Ingo
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