Counting How Many Cluster Index
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I am doing clustering with k-means, and here is the code:
[g c] = kmeans(data,k,'dist','SqEuclidean');
g is the cluster index
c is the centroid
k is the number of clusters, I input '3' in it.
When the code is executed, here is the sample result:
40 60 69 1
50 75 78 2
65 70 75 2
79 80 72 3
88 80 80 3
36 67 66 1
40 60 69 1
77 85 65 3
76 77 79 3
My question is, how to count the cluster index for each cluster? What script I should write to show this thing:
"Cluster1 has three members
Cluster2 has two members
Cluster3 has four members"
I'm getting confused because the cluster index only have one variable. Any idea?
Thank you.
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