[Eeglablist] STUDY PCA clustering problems
noamsi at post.bgu.ac.il
Wed Jul 14 13:47:59 PDT 2021
This depends on the questions you are trying to answer. Why are you
clustering the data in the first place? Why do you believe the data is well
represented by clusters?
On Wed, 14 Jul 2021 at 18:12 許庭瑜 via eeglablist <eeglablist at sccn.ucsd.edu>
> Hello, I am a student from Taiwan.
> I am recently running PCA clustering for my datasets.
> The numbers of components of each dataset chosen based on rv are
> I've calculated the mean value of these numbers is 5.1. And the default
> number of the of clusters is 6. I tried to use 7 and 8 as the number of
> clusters. But, I can't decide which one is suitable for the datasets.
> Is the default number the best choice? How is the system decide which
> number should be a default number?
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