Data Science, Machine Learning, Pca, Big Data, Principal Component.
https://stats.stackexchange.com/questions/2691/making-sense-of-principal-component-analysis-eigenvectors-eigenvalues Code reference: https://scikit-learn.org/stable/auto_examples/index.html Fig 1 and Fig 2 source: http://www-bcf.usc.edu/~gareth/ISL/ISLR%20Sixth%20Printing.pdf