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[OT] Re: how to guess the number of cluster when do not know?

Ho Yeung Lee <jobmattcon at gmail.com> writes:
> actually i am using python's kmeans library. it is relevant in python

I agree that it was not bad to ask the question here.

However, the provided answer (apart from the "off topic" -- i.e.
the reference to "https://en.wikipedia.org/wiki/Determining_the_number_of_clusters_in_a_data_set";) was excellent.
It tells you that the cluster number is a general parameter for
the "kmeans" algorithm (independent of any implementation) and how you
can get some approximations.