[Eeglablist] STUDY PCA clustering problems

許庭瑜 s410248 at my.cmsh.cyc.edu.tw
Wed Jul 14 02:44:15 PDT 2021


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
3,3,7,4,2,5,9,3,2,2,8,8,5,4,8,8,7,4.
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?
Thanks.
Regards


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