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From: uny gg on 18 Oct 2009 18:16
Thank you Ting!!
It wasy very helpful.

By the way, I have another problem ro apply 'sequentialfs'.
Actually my data set has very very large number of features..
For example, 500 observation with 10,000 featuers..
I applied sequntialfs for this datset.

I got the following error message.

"The covariance matrix of each group in TRAINING must be positive
definite."

I am not sure how I can handle this problem.
I also appiled some normalization.

Could you give me some comments?
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