In this topic I will try to answer the following question : what is the best clustering in my data when labels are unknown ?

Python: 3.7.0 (default, Jun 28 2018, 08:04:48) [MSC v.1912 64 bit (AMD64)] scipy: 1.2.1 numpy: 1.16.2 matplotlib: 3.3.3 pandas: 1.1.3 sklearn: 0.23.2