%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%a?simple?example?for?using?lDA?to?classification
%author?:huangsheng?@?iiec.cqu
%copy?right:iiec.cqu
%date:2010-4-6
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
clc;
clear;
%實(shí)驗(yàn)數(shù)據(jù)來(lái)源http://people.revoledu.com/kardi/tutorial/LDA/Numerical%20Example.html
cls1_data=[2.95?6.63;?2.53?7.79;?3.57?5.65;3.16?5.47];%第一個(gè)類的訓(xùn)練集
cls2_data=[2.58?4.46;?2.16?6.22;?3.27?3.52];%第二個(gè)類的訓(xùn)練集
%求期望
E_cls1=mean（cls1_data）;%第一類數(shù)據(jù)的期望矩陣
E_cls2=mean（cls2_data）;%第二類數(shù)據(jù)的期望矩陣
E_all=mean（[cls1_data;cls2_data]）;%所有訓(xùn)練集的期望矩陣
%%%%%%%%%%%%%%%%%%%%分類前畫(huà)圖%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
for?i=1:4
?????plot（cls1_data（i1）cls1_data（i2）‘.r‘）;
?????hold?on;
end;
plot（E_cls1（1）E_cls1（2）‘^r‘）;
hold?on;
for?i=1:3
?????plot（cls2_data（i1）cls2_data（i2）‘*b‘）;
?????hold?on;
end;
plot（E_cls2（1）E_cl

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件??????288362??2010-04-11?17:12??新建文件夾\LDA.pdf
?????文件????????2480??2010-04-11?17:03??新建文件夾\LDA_CODE_IIEC_CQU.m
?????文件?????1461730??2016-09-12?22:19??新建文件夾\基于PCA與LDA的表情識(shí)別算法研究.pdf
?????目錄???????????0??2016-09-19?10:54??新建文件夾\