Emacs users and fans of org-mode might find this interesting.
https://codeberg.org/ggxx/realestatejapan
https://codeberg.org/ggxx/realestatejapan/src/branch/master/analysis.any.org

I learned how to make tables with ob-jq. Working with tables inside org-mode is nice, because you can use

C-c ^

to sort whichever column your cursor is in. It's handy.