training Gaussian Mixture Model using multiple sequences

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in the demo given 
(https://www.media.mit.edu/wearables/mithril/BNT/mixtureBNT.txt), there is only 
one sequence for training and 1 sequence for test. How about if we want to 
train with multiple sequences? should we add the intra-class sequences into the 
same sequence or there is another procedure? If the action is non-periodic 
(like standing up) then adding into the same sequence definitely cause problem.
appreciate your help on this.

Original issue reported on code.google.com by [email protected] on 8 Jan 2012 at 7:51

[GoogleCodeExporter]

what if the training data is a matrix (31 * 10 for example) and not a vector 
like this example?
is there a 2d mixture?

Original comment by [email protected] on 2 Jul 2014 at 9:36