[实际应用] Moran’s I指数 [推广有奖]

11楼

w1a2n0g6 发表于 2015-9-10 10:34:19

楼主，你用MATLAB 实现MORAN I的计算，是怎么实现的？能否提供一下代码？谢谢

12楼

w1a2n0g6 发表于 2015-9-10 10:35:07

楼主，你用MATLAB 实现MORAN I的计算，是怎么实现的？能否提供一下代码？谢谢

13楼

dddu 发表于 2015-9-19 21:48:18

w1a2n0g6 发表于 2015-9-10 10:35
楼主，你用MATLAB 实现MORAN I的计算，是怎么实现的？能否提供一下代码？谢谢

x=[3320 2382 3019 2868 5015 1600 2682 8239 2242 2337 6075 1926 2123 1607 3222 1867.4 4308 1842 1861.02 2565 11700 4431 1835 2023 2020 1255 3633 1982 5254 3815];
n=30;
s=var(x,1);
m=mean(x);
w=[0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 1 0 0 1 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0
0 0 1 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0
0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 1 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 1 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 1 1 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0
0 0 1 0 0 0 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 1 1 0 0 0 0 0 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 1 0 0 0 1 0 0 0 0 1 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 1 0 1 0 1 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 1 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 1 0 0 1 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 1 1 1 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 1 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 1
0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 1 0 0 0 0 1 0 1 0
0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 1 1 1
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 0 0 1
0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0
];
y=0;
a=0;
for i=1:1:n
for j=1:1:n
      if (i==j)
         continue
      end
      y=y+w(i,j)*(x(i)-m)*(x(j)-m);
      a=a+w(i,j);
end
end
moran=y/(s*a)
k21=0;
k22=0;
w0=0;
w1=0;
w2=0;
for i=1:1:n
k21=k21+(x(i)-m)^4;
k22=k22+(x(i)-m)^2;
   for j=1:1:n
      w0=w0+w(i,j);
      w1=w1+(w(i,j)+w(j,i))^2;
   end
end
for i=1:1:n
w12(i)=0;
w21(i)=0;
  for j=1:1:n
   w12(i)=w12(i)+w(i,j);
   w21(i)=w21(i)+w(j,i);
  end
w2=w2+(w12(i)+w21(i))^2;
end
k2=(n*k21)/(k22^2);
w1=w1/2;
ei=-1/(n-1);
vari=(n*((n^2+3*n+3)*w1-n*w2+3*w0^2)-k2*((n^2-n)*w1-2*n*w2+6*w0^2))/(w0^2*(n-1)*(n-2)*(n-3))-ei^2;
z=(moran-ei)/vari^(1/2)