yes, in fact, I have 36 subjects and I want to group them into 3, 4 or 5 groups, because I want to compare groups with other variables. For example, some topics are mostly negative, others negative and positive in a homogeneous or generally negative way at the beginning and more positive after half of the task. I found an example of k-mean iris but everything I read does not talk about time series. I just want a code to group my subjects and no prediction. Am I answering your question? Thank you for your help
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