.
X = [meas(:,3) meas(:,4)];
figure;
plot(X(:,1),X(:,2),'ko','MarkerSize',4);
title('fisheriris dataset','FontSize',18,'Color','red');
[idx,ctrs] = kmeans(X,3);
figure;
subplot(1,2,1);
plot(X(idx==1,1),X(idx==1,2),'ro','MarkerSize',4);
hold on;
plot(X(idx==2,1),X(idx==2,2),'go','MarkerSize',4);
hold on;
plot(X(idx==3,1),X(idx==3,2),'bo','MarkerSize',4);
hold on;
plot(ctrs(:,1),ctrs(:,2),'kx','MarkerSize',12);
title('official kmeans','FontSize',16,'Color','red');
[idx,ctrs] = my_kmeans(X,3);
subplot(1,2,2);
plot(X(idx==1,1),X(idx==1,2),'ro','MarkerSize',4);
hold on;
plot(X(idx==2,1),X(idx==2,2),'go','MarkerSize',4);
资料.
