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MATLAB Central > MATLAB Newsreader > How to use LDA and PCA as a preprocessing tool bef... 

Subject: How to use LDA and PCA as a preprocessing tool before classification ? From: Chaou Date: 28 May, 2012 10:03:05 Message: 1 of 10 
Hello everyone. 
Subject: How to use LDA and PCA as a preprocessing tool before classification ? From: Ilya Narsky Date: 29 May, 2012 14:18:12 Message: 2 of 10 
"Chaou " <chaouahmedkhaled@gmail.com> wrote in message 
Subject: How to use LDA and PCA as a preprocessing tool before From: Greg Heath Date: 29 May, 2012 18:56:24 Message: 3 of 10 
On May 28, 6:03 
Subject: How to use LDA and PCA as a preprocessing tool before classification ? From: Chaou Date: 29 May, 2012 22:27:11 Message: 4 of 10 
> Different implementations of LDA do different things. LDA for classification 
Subject: How to use LDA and PCA as a preprocessing tool before From: Greg Heath Date: 30 May, 2012 00:25:07 Message: 5 of 10 
Greg Heath <g.heath@verizon.net> wrote in message <048d4679712b46449e93647204aebe83@j25g2000yqn.googlegroups.com>... 
Subject: How to use LDA and PCA as a preprocessing tool before classification From: Ilya Narsky Date: 30 May, 2012 01:58:18 Message: 6 of 10 
On 5/29/2012 6:27 PM, Chaou wrote: 
Subject: How to use LDA and PCA as a preprocessing tool before From: Greg Heath Date: 31 May, 2012 09:03:08 Message: 7 of 10 
Newsgroups: comp.softsys.matlab 
Subject: How to use LDA and PCA as a preprocessing tool before classification From: Chaou Date: 1 Jun, 2012 23:26:22 Message: 8 of 10 
Hello Ilya. I computed the withinclass and betweenclass covariance matrices. I don't know if I did it right. 
Subject: How to use LDA and PCA as a preprocessing tool before classification From: Ilya Narsky Date: 2 Jun, 2012 02:08:58 Message: 9 of 10 
On 6/1/2012 7:26 PM, Chaou wrote: 
Subject: How to use LDA and PCA as a preprocessing tool before classification From: Chaou Date: 2 Jun, 2012 19:33:27 Message: 10 of 10 
Okay Ilya. I got my withinclass and betweenclass covariance matrices, size 6x6. 
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