Johan de Groot

Deep Cleaning Barcharts – part 1: the basics

Johan de Groot · 16 January 2025 ·

[part of the ‘Datafam London 2024 series]

On DataFam 2024 in London I gave a presentation / workshop on deep cleaning dashboards.

Why cleaning dashboards?

Make it look better ▶ Users want to use it
Less clutter on your dashboard ▶ Less clutter in your brain
Making your dashboard more actionable ▶ Focusing on what’s important.

Dashboard cleaning is about: Removing, adding , re-arranging, and replacing stuff. In Tableau, it’s about: Table calculations, extra sheets, changing images, talking to users, being critical to yourself, … Is hard work – and a lot of fun!

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Top 2000 – Edition 2024: Snow Globes

Johan de Groot · 29 December 2024 ·

It’s my personal yearly end-of-December Christmas tradition: visualizing the Top 2000 hitlist of NPO Radio 2 (a Dutch national radio station).

(you can also view the interactive visualization on Tableau Public)

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Christmas Movie Marathon using a Image based bar-chart

Johan de Groot · 16 December 2024 ·

You can use to create your own Christmas Movie Marathon in Tableau using this dashboard!
Based on the IMDB dataset ‘100 best Christmas movies of all time’ and some nice Tableau techniques you can determine which movies you want to watch this holiday.

Start by entering the time you can spend on movies this holiday on Step 1 (from a couple of hours to several days), and then use step 2 to select all the movies you want to see during this time.
Selections can be made on plot, but also runtime, genre and/or IMDB rating.

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