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04 Dec 2013 Within and Between Class Scatter Matrix This Function calculates two important matrices, the Within (W) and Between (B) scatter matrix Author: Felix Fernando González-Navarro

Hi, I think there is a few problem in your this code. why you use "length(clasei)" instead probability of clasei, in calculating B.
and also calculating W is not true because probability of classes did not included!
Or am I wrong?

17 Jun 2012 EM_GM An expectation maximization algorithm for learning a multi-dimensional Gaussian mixture. Author: Patrick Tsui

Hi
thank you so much for your care Yashodhan.

I did so, but with transpose of X, same error occurred!!

16 Jun 2012 EM_GM An expectation maximization algorithm for learning a multi-dimensional Gaussian mixture. Author: Patrick Tsui

Hi, thanks for code, but I have a problem. the result of executing this code for my dataset isn't good! estimated W for first class is greater than 0.99 while real value is about 0.60!

so I want determine the Init input for your code,I have 2 classes with 57 features, this is my entries for Init : EM_GM(X,2,[],[],[],[[0.6 0.4],Me,Co]) ____ where X is 4601*57, Me is 57*2 , Co is 57*57*2.
but this error is shown on matlab command window without any output: "??? Error using ==> horzcat
CAT arguments dimensions are not consistent."

help me please immediately.
thanks

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