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Hi I will admit my comment was a guess :), since I have never faced the problem, but people do visualize high dimensional data By projecting it to 2d http://www.ggobi.org/ and to 3d - http://www.cs.earlham.edu/~mccoyjo/project/. I have never tried either of the above softwares , but ggobi seems promising. You might be able to find more resources on the web. Good luck, Anish On Tue, 22 Feb 2005 22:34:19 -0600 (CST), Monika Ray <[log in to unmask]> wrote: > thanks for the email... > how would you do the projection from high dimension to 3 D? > Sincerely, > Monika Ray > *********************************************************************** > The sweetest songs are those that tell of our saddest thought... > Computational Intelligence Centre, Washington University St. louis, MO > ********************************************************************** > On Tue, 22 Feb 2005, Anish Muttreja wrote: >> On Wed, 23 Feb 2005 11:36:49 +0800, Chih-Jen Lin > <[log in to unmask]> > > wrote: > > > > > that's impossible as people can see things up to 3d > > > > It might however be possible to see projections of the data to any 3 > > dimensions of your choice. > > > > > Monika Ray writes: > > > > Hello, > > > > > > > > Is there any toolbox that allows plotting of 2 classes and the > > > separating > > > > hyperplane for samples that have more than 3 > attributes/dimensions? > > > > > > > > Sincerely, > > > > Monika Ray > > > > > > > > > > > > *********************************************************************** > > > > The sweetest songs are those that tell of our saddest thought... > > > > > > > > Computational Intelligence Centre, Washington University St. > louis, MO > > > > > ********************************************************************** > > > > > > > > -- > > Do one thing for India - > > http://www.oneforindia.org/?c=PN > > > -- Anish Muttreja Graduate Student Electrical Engineering Princeton University ==================================================================== As an adolescent I aspired to lasting fame, I craved factual certainty, and I thirsted for a meaningful vision of human life - so I became a scientist. This is like becoming an archbishop so you can meet girls. -Matt Cartmill, anthropology professor and author (1943- )