This one is from 2008. There's this method from statistics called PCA that let's you reduce high dimensional data into a few (usually meaningless) newly-fabrica

This one is from 2008. There's this method from statistics called PCA that let's you reduce high dimensional data into a few (usually meaningless) newly-fabricated dimensions. It's useful to visualize complex data in 2d space. In this paper, they did that with genes. And the 2d space that was left wasn't meaningless at all. It accurately recreated map of Europe. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2735096/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2735096/