function?[Px?modelglabel]?=?gmm（filename?K）
%?============================================================
%???-利用EM算法估計GMM的質(zhì)心，初始位置隨機(jī)給定
%
%??-?filename:?data?source.
%??-?K:?the?number?of?components?
%??-?PX:?N-by-K?matrix?indicating?the?probability?of?each
%???????component?generating?each?point.
%??-?MODEL:?a?structure?containing?the?parameters?for?a?GMM:
%???????MODEL.Miu:?a?K-by-D?matrix.
%???????MODEL.Sigma:?a?D-by-D-by-K?matrix.
%???????MODEL.Pi:?a?1-by-K?vector.
%?============================================================
????%%??
????%load?data?from?the?source?file

????data=load（filename）;
????[~?col]=size（data）;
????plabels=data（:col）;
????data（:col）=[];
????figure;
????scatter（data（:1）data（:2）5plabels）;
????
????%%
????%use?EM?algrithm?to?Est

?屬性????????????大小?????日期????時間???名稱
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?????文件??????19046??2012-05-29?09:58??項目3\fourty.data

?????文件???????2883??2012-07-11?14:35??項目3\gmm.m

?????文件????????581??2012-07-12?10:47??項目3\hierarchical.m

?????文件???????2850??2012-05-29?09:58??項目3\iris_pro.dat

?????文件???????1548??2012-05-29?13:43??項目3\k_means.m

?????文件??????20449??2012-05-29?09:58??項目3\long1.data

?????文件????????146??2012-05-29?13:31??項目3\mydiff.m

?????文件????1653874??2012-07-13?14:55??項目3\project4.doc

?????文件??????18086??2012-05-29?09:58??項目3\sizes5.data

?????文件??????10998??2012-05-29?09:58??項目3\smile.dat

?????文件??????19210??2012-05-29?09:58??項目3\spiral.data

?????文件??????18668??2012-05-29?09:58??項目3\square1.data

?????文件??????18715??2012-05-29?09:58??項目3\square4.data

?????文件??????18993??2012-05-29?09:58??項目3\twenty.data

?????目錄??????????0??2012-07-13?14:56??項目3

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??????????????1806047????????????????????15