Is K-means cluster randomly each call time?
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Hi All,
I tested the K-maens algorithm on the same image two times for testing(i.e by calling one after one )like this:
[idx1,ctrs1] = kmeans(image',4,'Distance','sqEuclidean');
[idx1,ctrs2] = kmeans(image',4,'Distance','sqEuclidean');
But I got different results where ctrs1 not equals ctrs2 as I expected !!
Could anyone tell me is K-means cluster randomly each call time? Thanks in advance to Matlab community.
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Kelly Kearney
am 21 Mär. 2014
By default, kmeans chooses its starting points at random. Take a look at the 'Start' option for details.
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