clear?all;??
rnode=cell（31）;%3*1的單元數(shù)組??
%?rchild_value=cell（31）;%3*1的單元數(shù)組??
%?rchild_node_num=cell（31）;%3*1的單元數(shù)組??
sn=300;?%隨機(jī)可重復(fù)的抽取sn個(gè)樣本??
tn=10;??%森林中決策樹(shù)的數(shù)目
load（‘a(chǎn)aa.mat‘）;??
n?=?size（r1）;
%%?樣本訓(xùn)練采用隨機(jī)森林和ID3算法構(gòu)建決策森林??
discrete_dim?=?[];
for?j=1:tn??
????Sample_num=randi（[1n]1sn）;%從1至1000內(nèi)隨機(jī)抽取sn個(gè)樣本??
????SData=r（Sample_num:）;??
????[treediscrete_dim]=?train_C4_5（SData?5?10?discrete_dim）;??
????rnode{j1}=tree;??
end??
??????
%%?樣本測(cè)試??
load（‘a(chǎn)aa.mat‘）;??
T?=?r;
%TData=roundn（T-1）;??
TData?=?roundn（T-1）;??
%統(tǒng)計(jì)函數(shù)，對(duì)輸入的測(cè)試向量進(jìn)行投票，然后統(tǒng)計(jì)出選票最高的標(biāo)簽類(lèi)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(gè)樣本，判斷正確的有%d\n‘lencount）;
????
????
?
??????
??????

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----

?????文件?????160768??2013-02-07?14:41??RandomForest\aaa.xls

?????文件?????146432??2013-02-07?14:41??RandomForest\bbb.xls

?????文件???????4570??2013-02-10?21:39??RandomForest\ID3.m

?????文件????????974??2017-12-26?17:49??RandomForest\RandomForest.m

?????文件?????176128??2018-01-09?22:51??RandomForest\result.xls

?????文件???????2256??2013-02-10?22:02??RandomForest\statistics.m

?????文件????????938??2013-02-10?21:55??RandomForest\suijisenlin.asv

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

?????文件????????888??2018-01-18?22:25??random?forest-matlab\rfmain.m

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

?????文件??????13496??2017-12-20?19:50??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??2018-01-09?22:51??RandomForest

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

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

??????????????4727611????????????????????14