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·¢±íÓÚ 2013-7-29 11:57:44 | ÏÔʾȫ²¿Â¥²ã |ÔĶÁģʽ

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ת×Ô£ºhttp://user.qzone.qq.com/455681698/blog/1263569417#!app=2&via=QZ.HashRefresh&pos=1265434498



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function [H,F,ABE]=AnOfVar2(X,alpha)
% µÈÖظ´ÊµÑéË«ÒòËØ·½²î·ÖÎö(Two-way analysis of variance)£¬¼ìÑéÁ½¸öÒòËضÔʵÑé½á¹ûÊÇ·ñÓÐÏÔÖøÓ°Ïì
% ·½²î·ÖÎöÖУ¬Ã¿¸öˮƽ×÷µÄʵÑé´ÎÊý¿ÉÒÔ²»Ò»Ñù£¬´Ëʱ³ÆΪ·Çƽºâ·½²î·ÖÎö£¬·ñÔò³ÆΪƽºâ·½²î·ÖÎö(µÈÖظ´ÊµÑé)
% ÖÁÓÚ·ÇƽºâºÍ¶àÒòËØ·½²î·ÖÎöÏà¶Ô¸´ÔÓ£¬ÇëÖ±½ÓʹÓÃMATLAB×Ô´øµÄanovan()º¯Êý
%
% ²ÎÊý˵Ã÷
% X£ºÈýάÊý×飬Ðдú±íÒòËØAµÄˮƽ£¬Áдú±íÒòËØBµÄˮƽ£¬Ò³´ú±íʵÑé´ÎÊý
% alpha¡Ê[0 1]£ºÖÃÐŶÈ
% H=[Ha;Hb;Hab]£º¼ÙÉè¼ìÑé½á¹û£¬H=0£¬½ÓÊÜÔ­¾ùÖµÏàµÈµÄ¼ÙÉ裬²»Í¬µÄʵÑéˮƽ¶ÔʵÑé½á¹ûûÓÐÓ°Ï죬H=1£¬ÓÐÏÔÖøÓ°Ïì
% F=[Fa,Fa_alpha;Fb,Fb_alpha;Fab,Fab_alpha;]£º¼ÙÉè¼ìÑéµÄF·Ö²¼Öµ£¬Fi>Fi_alphaʱ£¬H=1
% ABE=[Qa Da Qa_ba;Qb Db Qb_ba;Qab Dab Qab_ba;Qe De Qe_ba;Qt Dt Qt_ba]£º5¡Á3¾ØÕ󣬷½²î·ÖÎöÖеÄһЩ²ÎÊý
%     Qa,Da,Qa_ba£ºÒòËØAÀë²î(ƽ·½ºÍ/×ÔÓɶÈ/ƽ¾ùƽ·½ºÍ)
%     Qb,Db,Qa_ba£ºÒòËØBÀë²î(ƽ·½ºÍ/×ÔÓɶÈ/ƽ¾ùƽ·½ºÍ)
%     Qab,Dab,Qab_ba£ºAB½»²æÀë²î(ƽ·½ºÍ/×ÔÓɶÈ/ƽ¾ùƽ·½ºÍ)
%     Qe De Qe_ba£ºÎó²îÀë²î(ƽ·½ºÍ/×ÔÓɶÈ/ƽ¾ùƽ·½ºÍ)
%     Qt Dt Qt_ba£º×ÜÀë²î(ƽ·½ºÍ/×ÔÓɶÈ/ƽ¾ùƽ·½ºÍ)
%
% ʵÀý˵Ã÷
% X(:,:,1)=[71 72 75 77;73 76 78 74;76 79 74 74;75 73 70 69];
% X(:,:,2)=[73 73 73 75;75 74 77 74;73 77 75 73;73 72 71 69];
% [H,F,ABE]=AnOfVar2(X,0.95);
%
% by dynamic of Matlab¼¼ÊõÂÛ̳
% see also http://www.matlabsky.com
% contact me matlabsky@gmail.com
% 2010-02-06 13:34:35
%
[r,s,t]=size(X);
Xij_ba=mean(X,3);
X_ba=mean(X(:));
Xi_ba=mean(Xij_ba,2);
Xj_ba=mean(Xij_ba,1);
% ¼ÆËãÀë²îƽ·½ºÍÓõ½µÄ5¸öÖмä²ÎÊý
P=r*s*t*X_ba^2;
R=t*sum(sum(Xij_ba.^2));
U=s*t*sum(Xi_ba.^2);
V=r*t*sum(Xj_ba.^2);
W=sum(X(:).^2);
% Àë²îƽ·½ºÍ
Qa=U-P; % ÒòËØAÀë²î
Qb=V-P; % ÒòËØBÀë²î
Qab=R-U-V+P; % ÒòËØAB½»»¥×÷ÓÃÀë²î
Qe=W-R; % Îó²îƽ·½ºÍ
Qt=W-P; % ×ÜÀë²îƽƽ·½ºÍ£¬Qt=Qa+Qb+Qab+Qe
% Àë²î×ÔÓɶÈ
Da=r-1; % Qa×ÔÓɶÈ=ˮƽÊý-1
Db=s-1; % Qb×ÔÓɶÈ=ˮƽÊý-1
Dab=Da*Db; % Qab×ÔÓɶÈ=(AˮƽÊý-1)*(BˮƽÊý-1)
De=r*s*(t-1); % Qe×ÔÓɶÈ=QtˮƽÊý-QaˮƽÊý-QbˮƽÊý-QabˮƽÊý
Dt=r*s*t-1; % QtˮƽÊý=×ÜʵÑé´ÎÊý-1
% ƽ¾ùÀë²îƽ·½ºÍ=Àë²îƽ·½ºÍ/×ÔÓɶÈ
Qa_ba=Qa/Da;
Qb_ba=Qb/Db;
Qab_ba=Qab/Dab;
Qe_ba=Qe/De;
Qt_ba=Qt/Dt;
% F·Ö²¼¼ÙÉè¼ìÑé
Fa=Qa_ba/Qe_ba;
Fa_alpha=finv(alpha,Da,De);
Ha=Fa>Fa_alpha;
Fb=Qb_ba/Qe_ba;
Fb_alpha=finv(alpha,Db,De);
Hb=Fb>Fb_alpha;
Fab=Qab_ba/Qe_ba;
Fab_alpha=finv(alpha,Dab,De);
Hab=Fab>Fab_alpha;
H=[Ha,Hb,Hab]';
F=[Fa Fa_alpha;Fb Fb_alpha;Fab Fab_alpha];
ABE=[Qa Da Qa_ba;Qb Db Qb_ba;Qab Dab Qab_ba;Qe De Qe_ba;Qt Dt Qt_ba];
% ½á¹ûÏÔʾ
disp('============================================================')
str={'A','B','AB'};
for i=1:3
    if H(i)==1
        disp(['¾Ü¾øÒòËØ',str{i},'¾ùÖµÏàµÈµÄ¼ÙÉ裬¼´ÒòËØ',str{i},'¶ÔʵÑé½á¹ûÓÐÏÔÖøÓ°Ï죡'])
    else
        disp(['½ÓÊÜÒòËØ',str{i},'¾ùÖµÏàµÈµÄ¼ÙÉ裬¼´ÒòËØ',str{i},'¶ÔʵÑé½á¹ûÓ°Ïì²»Ã÷ÏÔ£¡'])
    end
end
disp(' ')
disp('Îó²îÀ´Ô´    Àë²îƽ·½ºÍ   ×ÔÓɶȠ     Æ½¾ùÀë²î     FÖµ        F¦Á')
fprintf('%5s%13.3f%8d%15.3f%10.3f%10.3f\n','ÐÐ(A)',Qa,Da,Qa_ba,Fa,Fa_alpha)
fprintf('%5s%13.3f%8d%15.3f%10.3f%10.3f\n','ÁÐ(B)',Qb,Db,Qb_ba,Fb,Fb_alpha)
fprintf('%3s%14.3f%8d%15.3f%10.3f%10.3f\n','½»²æ',Qab,Dab,Qab_ba,Fab,Fab_alpha)
fprintf('%3s%14.3f%8d%15.3f\n','Îó²î',Qe,De,Qe_ba)
fprintf('%3s%14.3f%8d%15.3f\n','×ܺÍ',Qt,Dt,Qt_ba)
disp('============================================================')



µ÷ÓÃÖ÷º¯Êý£º

clc;
clear;
X(:,:,1)=[71 72 75 77;73 76 78 74;76 79 74 74;75 73 70 69];
X(:,:,2)=[73 73 73 75;75 74 77 74;73 77 75 73;73 72 71 69];
[H,F,ABE]=AnOfVar2(X,0.95);




ÔËÐнá¹ûÈçÏ£º

============================================================
¾Ü¾øÒòËØA¾ùÖµÏàµÈµÄ¼ÙÉ裬¼´ÒòËØA¶ÔʵÑé½á¹ûÓÐÏÔÖøÓ°Ï죡
½ÓÊÜÒòËØB¾ùÖµÏàµÈµÄ¼ÙÉ裬¼´ÒòËØB¶ÔʵÑé½á¹ûÓ°Ïì²»Ã÷ÏÔ£¡
¾Ü¾øÒòËØAB¾ùÖµÏàµÈµÄ¼ÙÉ裬¼´ÒòËØAB¶ÔʵÑé½á¹ûÓÐÏÔÖøÓ°Ï죡

Îó²îÀ´Ô´    Àë²îƽ·½ºÍ   ×ÔÓɶȠ     Æ½¾ùÀë²î     FÖµ        F¦Á
ÐÐ(A)       70.594       3         23.531    17.512     3.239
ÁÐ(B)        8.594       3          2.865     2.132     3.239
½»²æ        79.531       9          8.837     6.576     2.538
Îó²î        21.500      16          1.344
×ܺ͠      180.219      31          5.814
============================================================
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