function?score?=?accuracy（true_labels?cluster_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

%?Compute?the?confusion?matrix?‘cmat‘?where
%???col?index?is?for?true?label?（CAT）
%???row?index?is?for?cluster?label?（CLS）.
n?=?length（true_labels）;
cat?=?spconvert（[（1:n）‘?true_labels?ones（n1）]）;
cls?=?spconvert（[（1:n）‘?cluster_labels?ones（n1）]）;
cls?=?cls‘;
cmat?=?full（cls?*?cat）;

%
%?Calculate?accuracy
%
[match?cost]?=?hungarian（-cmat）;
score?=?100*（-cost/n）;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2011-05-05?21:06??spectralclustering-1.1\
?????文件?????????750??2011-05-05?21:06??spectralclustering-1.1\accuracy.m
?????目錄???????????0??2011-05-05?21:06??spectralclustering-1.1\data\
?????文件?????2626906??2011-05-05?21:06??spectralclustering-1.1\data\corel_100_NN_sym_distance.mat
?????文件??????258581??2011-05-05?21:06??spectralclustering-1.1\data\corel_10_NN_sym_distance.mat
?????文件?????3982453??2011-05-05?21:06??spectralclustering-1.1\data\corel_150_NN_sym_distance.mat
?????文件??????385884??2011-05-05?21:06??spectralclustering-1.1\data\corel_15_NN_sym_distance.mat
?????文件?????5315835??2011-05-05?21:06??spectralclustering-1.1\data\corel_200_NN_sym_distance.mat
?????文件??????515644??2011-05-05?21:06??spectralclustering-1.1\data\corel_20_NN_sym_distance.mat
?????文件?????1297736??2011-05-05?21:06??spectralclustering-1.1\data\corel_50_NN_sym_distance.mat
?????文件??????129836??2011-05-05?21:06??spectralclustering-1.1\data\corel_5_NN_sym_distance.mat
?????文件?????1292947??2011-05-05?21:06??spectralclustering-1.1\data\corel_feature.mat
?????文件?????????236??2011-05-05?21:06??spectralclustering-1.1\data\corel_label.mat
?????文件????????4020??2011-05-05?21:06??spectralclustering-1.1\gen_nn_distance.m
?????文件????????9229??2011-05-05?21:06??spectralclustering-1.1\hungarian.m
?????文件????????4309??2011-05-05?21:06??spectralclustering-1.1\k_means.m
?????文件????????1645??2011-05-05?21:06??spectralclustering-1.1\nmi.m
?????文件????????4759??2011-05-05?21:06??spectralclustering-1.1\nystrom.m
?????文件????????4463??2011-05-05?21:06??spectralclustering-1.1\nystrom_no_orth.m
?????文件????????8761??2011-05-05?21:06??spectralclustering-1.1\README
?????文件????????2714??2011-05-05?21:06??spectralclustering-1.1\sc.m
?????文件????????1267??2011-05-05?21:06??spectralclustering-1.1\script_kmeans.m
?????文件????????2043??2011-05-05?21:06??spectralclustering-1.1\script_nystrom.m
?????文件????????2059??2011-05-05?21:06??spectralclustering-1.1\script_nystrom_no_orth.m
?????文件????????2341??2011-05-05?21:06??spectralclustering-1.1\script_sc.m
?????文件????????2371??2011-05-05?21:06??spectralclustering-1.1\script_sc_selftune.m
?????文件????????9005??2012-12-31?20:44??read?me.txt