https://towardsdatascience.com/understand-your-data-with-principle-component-analysis-pca-and-discover-underlying-patterns-d6cadb020939

https://towardsdatascience.com/a-one-stop-shop-for-principal-component-analysis-5582fb7e0a9c

https://pca4ds.github.io/from-lanalyse-des-données-to-data-science.html

https://www.youtube.com/watch?v=rIe8kKZfvLk