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大小: 21KB文件類型: .rar金幣: 2下載: 0 次發(fā)布日期: 2021-06-06
- 語言: Matlab
- 標(biāo)簽: SVM實(shí)例??
資源簡(jiǎn)介
非常清楚的SVM實(shí)例,幫助你了解SVM的用法

代碼片段和文件信息
%%SVM??????
%
%
clear?all;
clc;
%%
%?
%%?dataset??bedroom?forest??
struc1=open(‘bedroom.mat‘);
a=struc1.bedroom;
struc1=open(‘MITforest.mat‘);
b=struc1.MITforest;
dataset?=[a;b];
%libsvmread?dataset.mat?????????????????
load?labelset.mat???????????????%????????
%??????????
?
%??????1-5????11-15??????
train_set?=?[dataset(1:5:);dataset(11:15:)];
%????????????????
train_set_labels?=?[lableset(1:5);lableset(11:15)];
%??????6-10????16-20?????
test_set?=?[dataset(6:10:);dataset(16:20:)];
%????????????????
test_set_labels?=?[lableset(6:10);lableset(16:20)];
%??????????????????[01]??
?
[mtrainntrain]?=?size(train_set);
[mtestntest]?=?size(test_set);
?
test_dataset?=?[train_set;test_set];
%?mapminmax?MATLAB????????
[dataset_scaleps]?=?mapminmax(test_dataset‘01);
dataset_scale?=?dataset_scale‘;
?
train_set?=?dataset_scale(1:mtrain:);
test_set?=?dataset_scale(?(mtrain+1):(mtrain+mtest):?);
?
%%?SVM????
model?=?svmtrain(train_set_labels?train_set?‘-s?0?-c?1?-g?0.07‘);
?
%%?SVM????
[predict_label]?=?svmpredict(test_set_labels?test_set?model);
?
%%?????
?
%???????????????
%?????????????????????
figure;
hold?on;
plot(test_set_labels‘o‘);
plot(predict_label‘r*‘);
xlabel(‘?????‘‘FontSize‘12);
ylabel(‘????‘‘FontSize‘12);
legend(‘???????‘‘???????‘);
title(‘??????????????‘‘FontSize‘12);
grid?on;
?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件???????1358??2016-08-15?15:08??SVM實(shí)例\bedroom.mat
?????文件????????184??2016-08-15?15:08??SVM實(shí)例\labelset.mat
?????文件???????1338??2016-08-15?15:08??SVM實(shí)例\MITforest.mat
?????文件???????1382??2017-04-25?18:53??SVM實(shí)例\Unti
?????文件??????17414??2016-08-16?10:21??SVM實(shí)例\代碼適應(yīng)環(huán)境.docx
?????文件???????1358??2016-08-15?15:08??SVM實(shí)例\數(shù)據(jù)集\bedroom.mat
?????文件????????184??2016-08-15?15:08??SVM實(shí)例\數(shù)據(jù)集\labelset.mat
?????文件???????1338??2016-08-15?15:08??SVM實(shí)例\數(shù)據(jù)集\MITforest.mat
?????目錄??????????0??2016-08-16?10:13??SVM實(shí)例\數(shù)據(jù)集
?????目錄??????????0??2017-04-25?18:29??SVM實(shí)例
-----------?---------??----------?-----??----
????????????????24556????????????????????10
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