In my first article in La Vanguardia I did an interactive chart showing Barcelona temperatures in the past 200 years.
At first, I had to clean and structure the table with R (check the code). I also did some LOESS plots, which I edited later on Illustrator.
For the main graphic I was inspired by Jim Vallandingham's scrubbable small multiples.
Tools: R, D3.js, Illustrator.Go to the interactive