The_Selected_Poems_of_T'ao_Ch'ien_David_Hinton

se r2=1-sse/sst for i=1:n a=h(2*(i-1)+i) end t=sqrt((mse-mse*a)) q=y-(-57.9877+4.7082*x(:,2:2)+0.3393*x(:,3:3)) r=q/t 习题 2.9 a=[ 1 50 51 2.3 48 1 36 46 2.3 57 1 40 48 2.2 66 1 41 44 1.8 70 1 28 43 1.8 89 1 49 54 2.9 36 1 42 50 2.2 46 1 45 48 2.4 54 1 52 62 2.9 26 1 29 50 2.1 77 1 29 48 2.4 89 1 43 53 2.4 67 1 38 55 2.2 47 1 34 51 2.3 51 1 53 54 2.2 57 1 36 49 2.0 66 1 33 56 2.5 79 1 29 46 1.9 88 1 33 49 2.1 60 1 55 51 2.4 49 1 29 52 2.3 77 1 44 58 2.9 52 1 43 50 2.3 60] y=a(:,5:5) x=a(:,1:4) n=23;p=4; b=inv(x'*x)*x'*y h=x*inv(x'*x)*x'; sst=y'*(eye(n,n)-(1/n)*ones(n,n))*y sse=y'*(eye(n,n)-h)*y mse=sse/(n-p) ssr=y'*(h-1/n*ones(n,n))*y msr=ssr/(p-1) f=msr/mse r2=1-sse/sst for i=1:n a=h(2*(i-1)+i) end t=sqrt((mse-mse*a)) q=y-( 162.8575-1.2103 *x(:,2:2) -0.6659 *x(:,3:3) -8.613*x(:,4:4 )) r=q/t