Data visualisation drafts

Author
Affiliation

Marek Ostaszewski

MADS6

Published

February 18, 2026

Task: Design a visualisation of the Galton dataset

TipData access
library(mosaicData)
data(Galton)
  • Form groups of three
  • Each group will be assigned an audience: data scientists or general public
  • Use pen and paper
  • Draft a visualisation illustrating the notion of regression to the mean
  • Work in groups: 20 min
  • Present your work: 5-10 min per group
Note

The table below shows only a portion of data from Galton dataset in mosaicData library.
It is meant to illustrate how the dataset is structured.
Your task is to draft a visualisation, not to analyse the entire dataset.

family father mother sex height nkids
1 78.5 67.0 M 73.2 4
1 78.5 67.0 F 69.2 4
1 78.5 67.0 F 69.0 4
1 78.5 67.0 F 69.0 4
2 75.5 66.5 M 73.5 4
2 75.5 66.5 M 72.5 4
2 75.5 66.5 F 65.5 4
2 75.5 66.5 F 65.5 4
3 75.0 64.0 M 71.0 2
3 75.0 64.0 F 68.0 2
4 75.0 64.0 M 70.5 5
4 75.0 64.0 M 68.5 5
4 75.0 64.0 F 67.0 5
4 75.0 64.0 F 64.5 5
4 75.0 64.0 F 63.0 5
… and 883 more rows.