K- Means clustering problem

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tyler
tyler 2013-4-21
Hello Everyone,
I have a small problem with clustering. I don't know if someone can help me with, i want to plot the graph of points and the centroids when i am using k-means clustering on the vector y = [ 2 4 5 6 7 8 1 1 3 4] and k=3 i am using the following commands:
n= [1:10]
y = [ 2 4 5 6 7 8 1 1 3 4]
plot(n, y, '*')
--those are the points i want to partition between the 3 clusters--
[p o]=kmeans(y,3)
plot(y(1,p==1),'r.')
plot(y(1,p==2),'b.')
plot(o(1,:),o(2,:),'kx')
plot(o(1,:),o(2,:),'ko')

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回答（1 个）

Tom Lane
Tom Lane 2013-4-22
Try "help hold" to see how to make plotting commands stop overwriting previous figure contents.

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