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Çóһͳ¼Æ·½ÃæµÄMATLAB¸ßÊÖ°ïÎÒ½â¾ö£¬Ð»Ð»£¬¼± function fdr=rand01(); %ÏòÁ¿a£¬b£¬ÎªËæ»úÊý¹¹³É µÄÏòÁ¿ %ÏòÁ¿ c£¬ÎªaºÍbµÄ×éºÏ£¬ %markΪһÏòÁ¿£¬±ê¼ÇcÖеÄÔªËØÊÇaÖеÄÔªËØ»¹ÊÇbÖеÄÔªËØ lvv=[]; lm=[]; t=[]; lvvb=[]; lmb=[]; tb=[]; newfdr=[]; BHfdr=[]; newpower=[]; BHpower=[]; sk=0; N=500 for n1=100:100:N q=0.05; m1=100; m2=100; n2=N-n1; for l=1:1000 a=mean(normrnd(0,1,m1,n1)); p1=[]; for j=1:n1 p1(j) =1-normcdf(a(1,j)*(sqrt(m1)),0,1); end %³éÈ¡ÕæÊµÔ¼ÙÉèµÄÑù±¾£¬²¢¼ÆËãPÖµ if n2 > 0 b=mean(normrnd(1,1,m2,n2)); p2=[]; for k=1:n2 p2(k) =1-normcdf(b(1,k)*(sqrt(m2)),0,1); end %³éÈ¡´íÎóÔ¼ÙÉèµÄÑù±¾£¬²¢¼ÆËãPÖµ c=[p1,p2]; mark=[zeros(1,n1),ones(1,n2)]; for i=1n1+n2-1) for j=i+1n1+n2) if c(i)>c(j) t1=c(i); c(i)=c(j); c(j)=t1; t2=mark(i); mark(i)=mark(j);%ÅÅÐò mark(j)=t2; end end end r1=[]; for m=1n1+n2) r1(m)=m*q/(n1+n2); end s=n1+n2; j1=0; jj1=0; while s>0 && c(s)> r1(s) if mark(s)==0 j1=j1+1; end if mark(s)==1 jj1=jj1+1; end s=s-1; end totalb=s ; %¾Ü¾øµÄ×ܸöÊý ttb=n1-j1 ; %´íÎó¾Ü¾øµÄ¸öÊý total2b=n2-jj1 ; %ÕýÈ·¾Ü¾øµÄ¸öÊý tb(l)=total2b/n2 ; %¹¦Ð§ if totalb == 0 lvvb(l)=0; else lvvb(l)=ttb/totalb ; %V/R end end %µÚÒ»¸öwhileÓï¾ä½áÊø if n2==0 r1=[]; for m=1:n1 r1(m)=m*q/(n1+n2); end d=[p1]; c=sort(d); ig=n1; while ig>0 && c(ig)>r1(ig) ig=ig-1; end jg=0; if ig>0 jg=jg+1; end lvvb(l)=jg ; tb(l)=0; end %µÚ¶þ¸öifÓï¾ä½áÊø end sk=sk+1 newpower(sk)=mean(tb); newfdr(sk)=mean(lvvb); end newpower newfdr x=[100:100:N]; subplot(2,1,1) plot(x,newfdr,'-k'); axis ([0,N,0,0.1]); legend('newfdr'); ylabel('FDR');xlabel('ÕæÊµÔ¼ÙÉè¸öÊý'); grid on subplot(2,1,2) function fdr=rand01(); %ÏòÁ¿a£¬b£¬ÎªËæ»úÊý¹¹³É µÄÏòÁ¿ %ÏòÁ¿ c£¬ÎªaºÍbµÄ×éºÏ£¬ %markΪһÏòÁ¿£¬±ê¼ÇcÖеÄÔªËØÊÇaÖеÄÔªËØ»¹ÊÇbÖеÄÔªËØ lvv=[]; lm=[]; t=[]; lvvb=[]; lmb=[]; tb=[]; newfdr=[]; BHfdr=[]; newpower=[]; BHpower=[]; sk=0; N=500 for n1=100:100:N q=0.05; m1=100; m2=100; n2=N-n1; for l=1:1000 a=mean(normrnd(0,1,m1,n1)); p1=[]; for j=1:n1 p1(j) =1-normcdf(a(1,j)*(sqrt(m1)),0,1); end %³éÈ¡ÕæÊµÔ¼ÙÉèµÄÑù±¾£¬²¢¼ÆËãPÖµ if n2 > 0 b=mean(normrnd(1,1,m2,n2)); p2=[]; for k=1:n2 p2(k) =1-normcdf(b(1,k)*(sqrt(m2)),0,1); end %³éÈ¡´íÎóÔ¼ÙÉèµÄÑù±¾£¬²¢¼ÆËãPÖµ c=[p1,p2]; mark=[zeros(1,n1),ones(1,n2)]; for i=1n1+n2-1) for j=i+1n1+n2) if c(i)>c(j) t1=c(i); c(i)=c(j); c(j)=t1; t2=mark(i); mark(i)=mark(j);%ÅÅÐò mark(j)=t2; end end end r1=[]; for m=1n1+n2) r1(m)=m*q/(n1+n2); end s=n1+n2; j1=0; jj1=0; while s>0 && c(s)> r1(s) if mark(s)==0 j1=j1+1; end if mark(s)==1 jj1=jj1+1; end s=s-1; end totalb=s ; %¾Ü¾øµÄ×ܸöÊý ttb=n1-j1 ; %´íÎó¾Ü¾øµÄ¸öÊý total2b=n2-jj1 ; %ÕýÈ·¾Ü¾øµÄ¸öÊý tb(l)=total2b/n2 ; %¹¦Ð§ if totalb == 0 lvvb(l)=0; else lvvb(l)=ttb/totalb ; %V/R end end %µÚÒ»¸öwhileÓï¾ä½áÊø if n2==0 r1=[]; for m=1:n1 r1(m)=m*q/(n1+n2); end d=[p1]; c=sort(d); ig=n1; while ig>0 && c(ig)>r1(ig) ig=ig-1; end jg=0; if ig>0 jg=jg+1; end lvvb(l)=jg ; tb(l)=0; end %µÚ¶þ¸öifÓï¾ä½áÊø end sk=sk+1 newpower(sk)=mean(tb); newfdr(sk)=mean(lvvb); end newpower newfdr x=[100:100:N]; subplot(2,1,1) plot(x,newfdr,'-k'); axis ([0,N,0,0.1]); legend('newfdr'); ylabel('FDR');xlabel('ÕæÊµÔ¼ÙÉè¸öÊý'); grid on subplot(2,1,2) plot(x,newpower,'-k'); axis ([0,N,0,1]); legend('newpower'); ylabel('¹¦Ð§');xlabel('ÕæÊµÔ¼ÙÉè¸öÊý'); grid on ÉÏÃæÕâ¸ö³ÌÐòÊǶàÖØ¼ÙÉè¼ìÑéµÄÄÚÈÝ£¬Ï£ÍûÓиßÊÖ°ïÎÒ¿´¿´Õâ¸ö³ÌÐòÓÐûÓÐÎÊÌ⣬ÎÒ×ܾõµÃ²»¶Ô¾¢ ¶àÖØ¼ÙÉè¼ìÑéÖУ¬ÕæÊµÔ¼ÙÉè·þ´ÓN(0,1)£¬´íÎóÔ¼ÙÉè·þ´ÓN£¨1,1£©£¬¼ìÑéµÄ×ܸöÊýÊÇN=500£¬ËùÒÔËæ»ú³éÈ¡ÁË500×éÊý£¬ÆäÖÐÓÐn1×éÀ´×ÔN(0,1)£¬n2×éÀ´×ÔN£¨1,1£©£¬È¡Ã¿×éµÄ¾ùÖµ¼ÆËãµÄPÖµ£¬Ñù±¾Á¿ÊÇ100£¬Ð»Ð»°ïÎÒ¿´¿´£¬ |
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