Who am I?

Data visualisation specialist, mainly working with R, Python, and D3.js.


Background in statistics, operational research, and data science consultancy.


Co-author of Royal Statistical Society’s Best Practices for Data Visualisation guidance.


Author of The Art of Data Visualization with ggplot2.


Hex logos

What is TidyTuesday?

  • TidyTuesday is a weekly social data project
  • New dataset uploaded every week
  • Make a chart/dashboard/model/…
  • Share your output and code

TidyTuesday logo

Why should I do TidyTuesday?

  • Real datasets (of varying data quality)
  • No pressure to make anything specific (or good)
  • See what other people do with the same data (and how they did it)
  • Not necessary to be committed to every week, but a nice regular reminder

TidyTuesday logo

TidyTuesday data

github.com/rfordatascience/tidytuesday

TidyTuesday GitHub

How likely is likely? README

github.com/rfordatascience/tidytuesday/blob/main/data/2026/2026-03-10/readme.md

TidyTuesday GitHub

Load data

R:

library(tidytuesdayR)
tuesdata <- tt_load(2026, week = 10)
absolute_judgements <- tuesdata$absolute_judgements
pairwise_comparisons <- tuesdata$pairwise_comparisons
respondent_metadata <- tuesdata$respondent_metadata

Python:

import pydytuesday
# Download files from the week, which you can then read in locally
pydytuesday.get_date('2026-03-10')

Julia:

using TidierTuesday
# Download datasets for the week, and load them as a NamedTuple of DataFrames
data = tt_load("2026-03-10")

Demo

  • Load data
  • View() each dataset
  • Initial data exploration

Your turn

  • Load a dataset (e.g. edible plants, how likely is ‘likely’ or another of your choice)
  • What variables might be interesting to explore?
  • Are there any data quality issues?

Sketching

Sketch

Sketching

Sketch

Aim

Ridges plot

Demo

Your turn

Share your work

  • Add your code on GitHub (Add file -> Upload file)
  • Share your chart/app/findings on social media (use #TidyTuesday)
  • Post it in the DSLC Slack channel

DSLC logo

Your turn

Resources

Resources logo