clear?all;??
rnode=cell（31）;%3*1的單元數組??
%?rchild_value=cell（31）;%3*1的單元數組??
%?rchild_node_num=cell（31）;%3*1的單元數組??
sn=300;?%隨機可重復的抽取sn個樣本??
tn=10;??%森林中決策樹的數目
load（‘aaa.mat‘）;??
n?=?size（r1）;
%%?樣本訓練采用隨機森林和ID3算法構建決策森林??
discrete_dim?=?[];
for?j=1:tn??
????Sample_num=randi（[1n]1sn）;%從1至1000內隨機抽取sn個樣本??
????SData=r（Sample_num:）;??
????[treediscrete_dim]=?train_C4_5（SData?5?10?discrete_dim）;??
????rnode{j1}=tree;??
end??
??????
%%?樣本測試??
load（‘aaa.mat‘）;??
T?=?r;
%TData=roundn（T-1）;??
TData?=?roundn（T-1）;??
%統計函數，對輸入的測試向量進行投票，然后統計出選票最高的標簽類型輸出??
result?=?statistics（tn?rnode?TData?discrete_dim）;??
gd?=?T（:end）;
len?=?length（gd）;
count?=?sum（result==gd）;
fprintf（‘共有%d個樣本，判斷正確的有%d\n‘lencount）;
????
????
?
??????
??????

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

?????文件????4218541??2017-09-05?15:59??random?forest-matlab\aaa.mat

?????文件????????890??2017-09-06?10:16??random?forest-matlab\rfmain.m

?????文件????????673??2017-09-06?10:19??random?forest-matlab\statistics.m

?????文件??????13407??2017-09-06?10:16??random?forest-matlab\train_C4_5.m

?????文件???????1947??2017-09-06?09:24??random?forest-matlab\vote_C4_5.m

?????目錄??????????0??2017-09-06?10:58??random?forest-matlab

-----------?---------??----------?-----??----

??????????????4235458????????????????????6