My bar chart for the February #SWDChallange addresses the topic of bullying in Latin American schools using PISA 2018 data. The idea was to make it interactive, so the user could explore two layers of information: the frequency of the reported bullying (at least once a month vs at least once a year), and the differences across countries.

I tried to do the chart using D3 first, and I managed to create the static version, but when I tried to apply the “update” pattern with the filtered data it broke. So I moved on Tableau, to analyze the data, arrange the main ideas and try different layouts.

After a few iterations, I got to this version: