西电数据挖掘大作业k-means和k-medoids
sum(1,2)=sum(1,2)+1;
end
end
for i=1:N
if(((y(i,1)==0)&&(label(i,1)==0))||((y(i,1)==1)&&label(i,1)==2)||((y(i,1)==2)&&label(i,1)==1))
sum(1,3)=sum(1,3)+1;
end
end
for i=1:N
if(((y(i,1)==0)&&(label(i,1)==1))||((y(i,1)==1)&&label(i,1)==0)||((y(i,1)==2)&&label(i,1)==2))
sum(1,4)=sum(1,4)+1;
end
end
for i=1:N
if(((y(i,1)==0)&&(label(i,1)==1))||((y(i,1)==1)&&label(i,1)==2)||((y(i,1)==2)&&label(i,1)==0))
sum(1,5)=sum(1,5)+1;
end
end
for i=1:N
if(((y(i,1)==0)&&(label(i,1)==2))||((y(i,1)==1)&&label(i,1)==0)||((y(i,1)==2)&&label(i,1)==1))
sum(1,6)=sum(1,6)+1;
end
end
sum=sum/N;
creatrate=max(sum);
disp('¾ÛÀàÖÐÐÄΪ£º');
disp(med);
disp('ÕýÈ·ÂÊΪ£º');
disp(creatrate);
k_medoids_picture:
clear;clc;
%%%%%%%%%Êý¾Ý¶ÁÈë%%%%%%%
I0=imread('G:\西电\2014大三下\大作业\Data Mining\ k_medoids\lena.jpg'); D=0.001;
I1=imnoise(I0,'gaussian',0,D);%加噪声
I2=rgb2gray(I1);%转化为灰度图像
I=im2double(I2);
[num v]=size(I);