Comparison with other implementations

[Arkoniak]

It would be nice to have proper comparison with other k-means implementations.

It can be

• scikit-learn
• daal4py
• Clustering.jl

Additional links for consideration

• http://cs.uef.fi/sipu/pub/Kmeans-JAI-2018.pdf
• https://github.com/andreaferretti/kmeans
• http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.724.8795&rep=rep1&type=pdf