I have been working with San Diego Water quality data project: https://www.sandiegodata.org/2018/04/summer-water-quality-data-project/ Here are data sets: https://data.sandiegodata.org/dataset?tags=water-project Regretfully my complete works do not fit into the blog post (or even a few posts) because of a post size restriction (1 Mb). Here is a repository for it: https://github.com/san-diego-wate…