democl4.m

SVM支持向量机 里面包含一个教程

clear
close all
load iris

echo on;


%
% encode
%

Yc = code(Y,'code_MOC');


%
% MOC
%
gam = 10;
sig2 = 1;
kernel = 'RBF_kernel';
model = initlssvm(X,Y,'classifier',gam,sig2,kernel,'preprocess');
model = changelssvm(model,'codetype','code_MOC');
model = trainlssvm(model);
figure; plotlssvm(model);

%
% ECOC
%
gam = 10;
sig2 = 1;
kernel = 'RBF_kernel';
model = initlssvm(X,Y,'classifier',gam,sig2,kernel,'preprocess');
model = changelssvm(model,'codetype','code_ECOC');
model = trainlssvm(model);
figure; plotlssvm(model);



echo off;