%%?I.?清空環(huán)境變量
clear?all
clc

%%?II.?導(dǎo)入數(shù)據(jù)
load?BreastTissue_data.mat

%%
%?1.?隨機產(chǎn)生訓(xùn)練集和測試集
n?=?randperm（size（matrix1））;

%%
%?2.?訓(xùn)練集——80個樣本
train_matrix?=?matrix（n（1:80）:）;
train_label?=?label（n（1:80）:）;

%%
%?3.?測試集——26個樣本
test_matrix?=?matrix（n（81:end）:）;
test_label?=?label（n（81:end）:）;

%%?III.?數(shù)據(jù)歸一化
[Train_matrixPS]?=?mapminmax（train_matrix‘）;
Train_matrix?=?Train_matrix‘;
Test_matrix?=?mapminmax（‘a(chǎn)pply‘test_matrix‘PS）;
Test_matrix?=?Test_matrix‘;

%%?IV.?SVM創(chuàng)建/訓(xùn)練（RBF核函數(shù)）
%%
%?1.?尋找最佳c/g參數(shù)——交叉驗證方法
[cg]?=?meshgrid（-10:0.2:10-10:0.2:10）;
[mn]?=?size（c）;
cg?=?zeros（mn）;
eps?=?10^（-4）;
v?=?5;
bestc?=?1;
bestg?=?0.1;
bestacc?=?0;
for?i?=?1:m
????for?j?=?1:n
????????cmd?=?[‘-v?‘num2str（v）‘?-t?2‘‘?-c?‘num2str（2^c（ij））‘?-g?‘num2str（2^g（ij））];
????????cg（ij）?=?svmtrain（train_labelTrain_matrixcmd）;?????
????????if?cg（ij）?>?bestacc
????????????bestacc?=?cg（ij）;
????????????bestc?=?2^c（ij）;
????????????bestg?=?2^g（ij）;
????????end????????
????????if?abs（?cg（ij）-bestacc?）<=eps?&&?bestc?>?2^c（ij）?
????????????bestacc?=?cg（ij）;
????????????bestc?=?2^c（ij）;
????????????bestg?=?2^g（ij）;
????????end???????????????
????end
end
cmd?=?[‘?-t?2‘‘?-c?‘num2str（bestc）‘?-g?‘num2str（bestg）];

%%
%?2.?創(chuàng)建/訓(xùn)練SVM模型
model?=?svmtrain（train_labelTrain_matrixcmd）;

%%?V.?SVM仿真測試
[predict_label_1accuracy_1]?=?svmpredict（train_labelTrain_matrixmodel）;
[predict_label_2accuracy_2]?=?svmpredict（test_labelTest_matrixmodel）;
result_1?=?[train_label?predict_label_1];
result_2?=?[test_label?predict_label_2];

%%?VI.?繪圖
figure
plot（1:length（test_label）test_label‘r-*‘）
hold?on
plot（1:length（test_label）predict_label_2‘b:o‘）
grid?on
legend（‘真實類別‘‘預(yù)測類別‘）
xlabel（‘測試集樣本編號‘）
ylabel（‘測試集樣本類別‘）
string?=?{‘測試集SVM預(yù)測結(jié)果對比（RBF核函數(shù)）‘;
??????????[‘a(chǎn)ccuracy?=?‘?num2str（accuracy_2（1））?‘%‘]};
title（string）

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

?????文件???????6802??2010-11-03?21:23??Class_6_Code\Classification\BreastTissue_data.mat

?????文件??????10246??2015-09-13?22:13??Class_6_Code\Classification\html\main.html

?????文件???????5730??2015-09-13?22:13??Class_6_Code\Classification\html\main.png

?????文件??????13144??2015-09-13?22:12??Class_6_Code\Classification\html\main_01.png

?????文件???????2007??2015-09-13?22:10??Class_6_Code\Classification\main.m

?????文件???????1497??2009-02-17?18:07??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\COPYRIGHT

?????文件??????28904??2005-03-22?20:37??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\heart_scale.mat

?????文件???????2835??2010-01-24?15:14??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\a_template_flow_usingSVM_class.m

?????文件???????2159??2010-01-17?09:36??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\a_template_flow_usingSVM_regress.m

?????文件????????871??2010-01-17?14:51??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\fasticaForSVM.m

?????文件???????3778??2010-01-21?21:40??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\gaSVMcgForClass.m

?????文件???????3510??2010-01-21?21:42??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\gaSVMcgForRegress.m

?????文件???????3788??2010-01-17?10:20??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\gaSVMcgpForRegress.m

?????文件???????3217??1998-04-22?10:44??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\myprivate\gatbx[Sheffield]\bs2rv.m

?????文件???????1835??1998-04-22?10:44??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\myprivate\gatbx[Sheffield]\contents.m

?????文件???????1168??1998-04-22?10:44??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\myprivate\gatbx[Sheffield]\crtbase.m

?????文件???????2187??1998-04-22?10:44??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\myprivate\gatbx[Sheffield]\crtbp.m

?????文件???????2091??1998-04-22?10:44??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\myprivate\gatbx[Sheffield]\crtrp.m

?????文件???????7205??1998-04-22?10:44??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\myprivate\gatbx[Sheffield]\migrate.m

?????文件???????4019??1998-04-22?10:44??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\myprivate\gatbx[Sheffield]\mpga.m

?????文件???????1609??1998-04-22?10:44??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\myprivate\gatbx[Sheffield]\mut.m

?????文件???????3437??1998-04-22?10:44??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\myprivate\gatbx[Sheffield]\mutate.m

?????文件???????4943??1998-04-22?10:44??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\myprivate\gatbx[Sheffield]\mutbga.m

?????文件???????4709??1998-04-22?10:44??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\myprivate\gatbx[Sheffield]\ranking.m

?????文件???????1825??1998-04-22?10:44??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\myprivate\gatbx[Sheffield]\recdis.m

?????文件???????1895??1998-04-22?10:44??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\myprivate\gatbx[Sheffield]\recint.m

?????文件???????1953??1998-04-22?10:44??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\myprivate\gatbx[Sheffield]\reclin.m

?????文件???????4852??1998-04-22?10:44??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\myprivate\gatbx[Sheffield]\recmut.m

?????文件???????2438??1998-04-22?10:44??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\myprivate\gatbx[Sheffield]\recombin.m

?????文件???????5574??1998-04-22?10:44??Class_6_Code\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\myprivate\gatbx[Sheffield]\reins.m

............此處省略78個文件信息