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利用k-means對UCI數據集進行聚類分析,程序中列舉了數據集wine和heart數據集

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function?score?=?accuracy(cluster_labelstrue_labels)
%ACCURACY?Compute?clustering?accuracy?using?the?true?and?cluster?labels?and
%???return?the?value?in?‘score‘.
%
%???Input??:?true_labels????:?N-by-1?vector?containing?true?labels
%????????????cluster_labels?:?N-by-1?vector?containing?cluster?labels
%
%???Output?:?score??????????:?clustering?accuracy
%
%???Author?:?Wen-Yen?Chen?(wychen@alumni.cs.ucsb.edu)
% ?Chih-Jen?Lin?(cjlin@csie.ntu.edu.tw)

%?Compute?the?confusion?matrix?‘cmat‘?where
%???col?index?is?for?true?label?(CAT)
%???row?index?is?for?cluster?label?(CLS).
cluster_labels=cluster_labels(:);
true_labels=true_labels(:);

n?=?length(true_labels);
cat?=?spconvert([(1:n)‘?true_labels?ones(n1)]);
cls?=?spconvert([(1:n)‘?cluster_labels?ones(n1)]);
cls?=?cls‘;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????10151??2013-04-17?19:59??UCI\accuracy.m

?????文件???????3589??2013-04-17?20:48??UCI\heart.mat

?????文件???????4565??2013-04-17?22:07??UCI\k_means.asv

?????文件???????3494??2013-04-17?22:10??UCI\k_means.m

?????文件???????3044??2013-05-02?20:47??UCI\MAIN.asv

?????文件???????1620??2013-05-02?21:02??UCI\MAIN.m

?????文件???????1099??2013-04-17?22:09??UCI\orth_init.m

?????文件????????211??2013-05-02?20:55??UCI\parzen.m

?????文件???????1502??2013-04-17?21:37??UCI\UCI.asv

?????文件???????1899??2013-04-18?14:23??UCI\UCI.m

?????文件???????5387??2013-04-17?20:50??UCI\wine.mat

?????目錄??????????0??2013-05-03?10:58??UCI

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????????????????36561????????????????????12


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