tihuan.m

决策树

load datarow;
load data_ret;
rand_a=0.25;
[m_temp,n_temp]=size(datarow);
num11=0;
num22=0;
for i=1:m_temp
    if (rand>rand_a)
        num11=num11+1;
        data(num11,:)=datarow(i,:);
        class_ret(num11,:)=data_ret(i,:);
    else
        num22=num22+1;
        data_test(num22,:)=datarow(i,:);
        class_test(num22,:)=data_ret(i,:);
    end
end
[m,n]=size(data);
num=m;
save class_test;
class_train(:,1)=class_ret(:,2);
class_train(:,2)=ones(num,1);


data=xlsread('xiongmen.xls',1'','c2:h701');
class_train=zeros(num,2);
class_train(:,1)=xlsread('xiongmen.xls',1'','b2:b701');
class_train(:,2)=ones(num,1);