How I built an interactive shiny dashboard in 2 days without any previous experience in R

We will start with a basic shiny dashboard that uses no libraries. Then I will show you how we can enhance it using two different approaches based on the most popular UI frameworks: bootstrap and semantic UI. Then I'll show you a pure custom version.

The city of Poznań wanted to know why it didn't rate highly with tourists. So they gave loads of data to a gathering of developers to gain some insight. TL;DR: we learned a lot from the hackathon & won the thing. R Shiny gave us a slight edge. :)