function  Randomfre(set,numtrees )
%利用随机森林进行训练跟预测
%   
L
s=['rf/train_',num2str(set),'.rf'];

trainall=load(s);

[N D] =size(trainall);
train=zeros(N,D);

for i=1:D-1
   
 for j=1:N
        
train(j,i)=trainall(j,i);
    
end
end
trainlabel=zeros(N,1);

for i=1:N
    
trainlabel(i,D)=train(i,D);

end

s=['rf/predict_',num2str(set),'.rf'];
testall=load(s);

[N D] =size(testall);
test=zeros(N,D);

for i=1:D-1
    
for j=1:N
       
test(j,i)=testall(j,i);
   
end

end

loading data

m=floor(sqr(D-1));

model=regRF_train(train,trainlabel,numtrees,m);

testlabel=regRF_predict(test,model);


training
s=['rf/train_',num2str(set),'.rf']

fid=fopen('rf/set',num2str(set),'.predict','w');

for i=1:N
    
fprintf(fid,'%d ',testlabel(i));

end